[483] | 1 | define([ |
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| 2 | "dojo/_base/kernel", |
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| 3 | "dojo/_base/declare", |
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| 4 | "dojo/_base/lang", |
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| 5 | "dojo/_base/event", |
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| 6 | "dojo/_base/array", |
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| 7 | "dojo/query", |
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| 8 | "dojo/parser", |
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| 9 | "dojo/dom-construct", |
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| 10 | "dojo/dom-class", |
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| 11 | "dojo/dom-style", |
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| 12 | "dojo/dom-geometry", |
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| 13 | "dojo/dom", |
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| 14 | "dojo/keys", |
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| 15 | "dojo/text!./resources/Expando.html", |
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| 16 | "dijit/_Widget", |
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| 17 | "dijit/_TemplatedMixin", |
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| 18 | "./TreeGrid", |
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| 19 | "./_Builder", |
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| 20 | "./_View", |
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| 21 | "./_Layout", |
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| 22 | "./cells/tree", |
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| 23 | "./_RowManager", |
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| 24 | "./_FocusManager", |
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| 25 | "./_EditManager", |
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| 26 | "./DataSelection", |
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| 27 | "./util" |
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| 28 | ], function(dojo, declare, lang, event, array, query, parser, domConstruct, |
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| 29 | domClass, domStyle, domGeometry, dom, keys, template, _widget, _templatedMixin, |
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| 30 | TreeGrid, _Builder, _View, _Layout, TreeCell, _RowManager, _FocusManager, _EditManager, DataSelection, util){ |
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| 31 | |
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| 32 | var _LazyExpando = declare("dojox.grid._LazyExpando", [_widget, _templatedMixin], { |
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| 33 | grid: null, |
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| 34 | view: null, |
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| 35 | rowIdx: -1, |
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| 36 | cellIdx: -1, |
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| 37 | level: 0, |
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| 38 | itemId: "", |
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| 39 | templateString: template, |
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| 40 | onToggle: function(evt){ |
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| 41 | // summary: |
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| 42 | // The onclick handler of expando, expand/collapse a tree node if has children. |
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| 43 | if(this.grid._treeCache.items[this.rowIdx]){ |
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| 44 | this.grid.focus.setFocusIndex(this.rowIdx, this.cellIdx); |
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| 45 | this.setOpen(!this.grid._treeCache.items[this.rowIdx].opened); |
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| 46 | try{ |
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| 47 | event.stop(evt); |
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| 48 | }catch(e){} |
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| 49 | } |
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| 50 | }, |
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| 51 | setOpen: function(open){ |
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| 52 | // summary: |
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| 53 | // expand/collapse the row where the expando is in. |
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| 54 | var g = this.grid, |
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| 55 | item = g._by_idx[this.rowIdx].item; |
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| 56 | if(item && g.treeModel.mayHaveChildren(item) && !g._loading && g._treeCache.items[this.rowIdx].opened !== open){ |
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| 57 | g._treeCache.items[this.rowIdx].opened = open; |
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| 58 | g.expandoFetch(this.rowIdx, open); |
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| 59 | this._updateOpenState(item); |
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| 60 | } |
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| 61 | }, |
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| 62 | _updateOpenState: function(item){ |
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| 63 | var g = this.grid, state; |
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| 64 | if(item && g.treeModel.mayHaveChildren(item)){ |
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| 65 | state = g._treeCache.items[this.rowIdx].opened; |
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| 66 | this.expandoInner.innerHTML = state ? "-" : "+"; |
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| 67 | domClass.toggle(this.domNode, "dojoxGridExpandoOpened", state); |
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| 68 | this.domNode.parentNode.setAttribute("aria-expanded", state); |
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| 69 | }else{ |
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| 70 | domClass.remove(this.domNode, "dojoxGridExpandoOpened"); |
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| 71 | } |
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| 72 | }, |
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| 73 | setRowNode: function(rowIdx, rowNode, view){ |
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| 74 | if(this.cellIdx < 0 || !this.itemId){ |
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| 75 | return false; |
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| 76 | } |
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| 77 | this.view = view; |
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| 78 | this.grid = view.grid; |
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| 79 | this.rowIdx = rowIdx; |
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| 80 | var marginPos = this.grid.isLeftToRight() ? "marginLeft" : "marginRight"; |
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| 81 | domStyle.set(this.domNode.parentNode, marginPos, (this.level * 1.125) + "em"); |
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| 82 | this._updateOpenState(this.grid._by_idx[this.rowIdx].item); |
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| 83 | return true; |
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| 84 | } |
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| 85 | }); |
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| 86 | |
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| 87 | var _TreeGridContentBuilder = declare("dojox.grid._TreeGridContentBuilder", _Builder._ContentBuilder, { |
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| 88 | generateHtml: function(inDataIndex, rowIndex){ |
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| 89 | var html = this.getTableArray(), |
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| 90 | grid = this.grid, |
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| 91 | v = this.view, |
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| 92 | cells = v.structure.cells, |
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| 93 | item = grid.getItem(rowIndex), |
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| 94 | level = 0, |
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| 95 | toggleClass = "", |
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| 96 | treePath = grid._treeCache.items[rowIndex] ? grid._treeCache.items[rowIndex].treePath : null; |
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| 97 | util.fire(this.view, "onBeforeRow", [rowIndex, cells]); |
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| 98 | if(item && lang.isArray(treePath)){ |
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| 99 | level = treePath.length; |
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| 100 | toggleClass = grid.treeModel.mayHaveChildren(item) ? "" : "dojoxGridNoChildren"; |
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| 101 | } |
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| 102 | var i = 0, j = 0, row, cell, |
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| 103 | mergedCells, totalWidth = 0, totalWidthes = []; |
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| 104 | for(; row = cells[j]; j++){ |
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| 105 | if(row.hidden || row.header){ |
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| 106 | continue; |
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| 107 | } |
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| 108 | html.push('<tr class="' + toggleClass + '">'); |
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| 109 | // cell merge |
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| 110 | mergedCells = this._getColSpans(level); |
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| 111 | if(mergedCells){ |
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| 112 | array.forEach(mergedCells, function(c){ |
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| 113 | for(i = 0; cell = row[i]; i++){ |
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| 114 | if(i >= c.start && i <= c.end){ |
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| 115 | totalWidth += this._getCellWidth(row, i); |
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| 116 | } |
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| 117 | } |
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| 118 | totalWidthes.push(totalWidth); |
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| 119 | totalWidth = 0; |
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| 120 | }, this); |
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| 121 | } |
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| 122 | var m, cc, cs, pbm, k = 0; |
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| 123 | for(i = 0; cell = row[i]; i++){ |
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| 124 | m = cell.markup; |
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| 125 | cc = cell.customClasses = []; |
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| 126 | cs = cell.customStyles = []; |
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| 127 | if(mergedCells && mergedCells[k] && (i >= mergedCells[k].start && i <= mergedCells[k].end)){ |
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| 128 | var primaryIdx = mergedCells[k].primary || mergedCells[k].start; |
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| 129 | if(i == primaryIdx){ |
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| 130 | m[5] = cell.formatAtLevel(item, level, rowIndex); |
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| 131 | m[1] = cc.join(' '); |
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| 132 | pbm = domGeometry.getMarginBox(cell.getHeaderNode()).w - domGeometry.getContentBox(cell.getHeaderNode()).w; |
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| 133 | cs = cell.customStyles = ['width:' + (totalWidthes[k] - pbm) + "px"]; |
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| 134 | m[3] = cs.join(';'); |
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| 135 | html.push.apply(html, m); |
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| 136 | }else if(i == mergedCells[k].end){ |
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| 137 | k++; |
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| 138 | continue; |
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| 139 | }else{ |
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| 140 | continue; |
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| 141 | } |
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| 142 | }else{ |
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| 143 | m[5] = cell.formatAtLevel(item, level, rowIndex); |
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| 144 | m[1] = cc.join(' '); |
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| 145 | m[3] = cs.join(';'); |
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| 146 | html.push.apply(html, m); |
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| 147 | } |
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| 148 | } |
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| 149 | html.push('</tr>'); |
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| 150 | } |
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| 151 | html.push('</table>'); |
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| 152 | return html.join(''); // String |
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| 153 | }, |
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| 154 | _getColSpans: function(level){ |
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| 155 | var colSpans = this.grid.colSpans; |
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| 156 | return colSpans && colSpans[level] ? colSpans[level] : null; |
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| 157 | }, |
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| 158 | _getCellWidth: function(cells, colIndex){ |
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| 159 | var curCell = cells[colIndex], node = curCell.getHeaderNode(); |
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| 160 | if(curCell.hidden){ |
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| 161 | return 0; |
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| 162 | } |
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| 163 | if(colIndex == cells.length - 1 || array.every(cells.slice(colIndex + 1), function(cell){ |
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| 164 | return cell.hidden; |
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| 165 | })){ |
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| 166 | var headerNodePos = domGeometry.position(cells[colIndex].view.headerContentNode.firstChild); |
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| 167 | return headerNodePos.x + headerNodePos.w - domGeometry.position(node).x; |
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| 168 | }else{ |
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| 169 | var nextCell; |
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| 170 | do{ |
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| 171 | nextCell = cells[++colIndex]; |
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| 172 | }while(nextCell.hidden); |
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| 173 | return domGeometry.position(nextCell.getHeaderNode()).x - domGeometry.position(node).x; |
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| 174 | } |
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| 175 | } |
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| 176 | }); |
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| 177 | |
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| 178 | declare("dojox.grid._TreeGridView", _View, { |
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| 179 | _contentBuilderClass: _TreeGridContentBuilder, |
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| 180 | postCreate: function(){ |
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| 181 | this.inherited(arguments); |
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| 182 | this._expandos = {}; |
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| 183 | this.connect(this.grid, '_onCleanupExpandoCache', '_cleanupExpandoCache'); |
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| 184 | }, |
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| 185 | destroy: function(){ |
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| 186 | this._cleanupExpandoCache(); |
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| 187 | this.inherited(arguments); |
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| 188 | }, |
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| 189 | _cleanupExpandoCache: function(identity){ |
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| 190 | if(identity && this._expandos[identity]){ |
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| 191 | this._expandos[identity].destroy(); |
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| 192 | delete this._expandos[identity]; |
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| 193 | }else{ |
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| 194 | var i; |
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| 195 | for(i in this._expandos){ |
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| 196 | this._expandos[i].destroy(); |
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| 197 | } |
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| 198 | this._expandos = {}; |
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| 199 | } |
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| 200 | }, |
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| 201 | onAfterRow: function(rowIndex, cells, rowNode){ |
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| 202 | query("span.dojoxGridExpando", rowNode).forEach(function(n){ |
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| 203 | if(n && n.parentNode){ |
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| 204 | var idty, expando, _byIdx = this.grid._by_idx; |
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| 205 | if(_byIdx && _byIdx[rowIndex] && _byIdx[rowIndex].idty){ |
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| 206 | idty = _byIdx[rowIndex].idty; |
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| 207 | expando = this._expandos[idty]; |
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| 208 | } |
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| 209 | if(expando){ |
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| 210 | domConstruct.place(expando.domNode, n, "replace"); |
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| 211 | expando.itemId = n.getAttribute("itemId"); |
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| 212 | expando.cellIdx = parseInt(n.getAttribute("cellIdx"), 10); |
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| 213 | if(isNaN(expando.cellIdx)){ |
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| 214 | expando.cellIdx = -1; |
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| 215 | } |
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| 216 | }else{ |
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| 217 | expando = parser.parse(n.parentNode)[0]; |
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| 218 | if(idty){ |
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| 219 | this._expandos[idty] = expando; |
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| 220 | } |
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| 221 | } |
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| 222 | if(!expando.setRowNode(rowIndex, rowNode, this)){ |
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| 223 | expando.domNode.parentNode.removeChild(expando.domNode); |
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| 224 | } |
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| 225 | domConstruct.destroy(n); |
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| 226 | } |
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| 227 | }, this); |
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| 228 | this.inherited(arguments); |
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| 229 | }, |
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| 230 | updateRow: function(rowIndex){ |
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| 231 | var grid = this.grid, item; |
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| 232 | if(grid.keepSelection){ |
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| 233 | item = grid.getItem(rowIndex); |
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| 234 | if(item){ |
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| 235 | grid.selection.preserver._reSelectById(item, rowIndex); |
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| 236 | } |
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| 237 | } |
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| 238 | this.inherited(arguments); |
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| 239 | } |
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| 240 | }); |
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| 241 | |
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| 242 | var LazyTreeCell = lang.mixin(lang.clone(TreeCell), { |
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| 243 | formatAtLevel: function(item, level, rowIndex){ |
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| 244 | if(!item){ |
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| 245 | return this.formatIndexes(rowIndex, item, level); |
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| 246 | } |
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| 247 | var result = "", ret = "", content; |
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| 248 | if(this.isCollapsable && this.grid.store.isItem(item)){ |
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| 249 | ret = '<span ' + dojo._scopeName + 'Type="dojox.grid._LazyExpando" level="' + level + '" class="dojoxGridExpando"' + |
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| 250 | ' itemId="' + this.grid.store.getIdentity(item) + '" cellIdx="' + this.index + '"></span>'; |
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| 251 | } |
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| 252 | content = this.formatIndexes(rowIndex, item, level); |
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| 253 | result = ret !== "" ? '<div>' + ret + content + '</div>' : content; |
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| 254 | return result; |
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| 255 | }, |
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| 256 | formatIndexes: function(rowIndex, item, level){ |
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| 257 | var info = this.grid.edit.info, |
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| 258 | d = this.get ? this.get(rowIndex, item) : (this.value || this.defaultValue); |
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| 259 | if(this.editable && (this.alwaysEditing || (info.rowIndex === rowIndex && info.cell === this))){ |
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| 260 | return this.formatEditing(d, rowIndex); |
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| 261 | }else{ |
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| 262 | var dir = this.textDir || this.grid.textDir; |
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| 263 | var ret = this._defaultFormat(d, [d, rowIndex, level, this]); |
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| 264 | if(dir && this._enforceTextDirWithUcc){ |
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| 265 | ret = this._enforceTextDirWithUcc(dir, ret); |
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| 266 | } |
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| 267 | return ret; |
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| 268 | } |
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| 269 | } |
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| 270 | }); |
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| 271 | |
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| 272 | var _LazyTreeLayout = declare("dojox.grid._LazyTreeLayout", _Layout, { |
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| 273 | // summary: |
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| 274 | // Override the dojox.grid._TreeLayout to modify the _TreeGridView and cell formatter |
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| 275 | setStructure: function(structure){ |
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| 276 | var g = this.grid, s = structure; |
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| 277 | if(g && !array.every(s, function(i){ |
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| 278 | return !!i.cells; |
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| 279 | })){ |
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| 280 | s = arguments[0] = [{cells:[s]}];//intentionally change arguments[0] |
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| 281 | } |
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| 282 | if(s.length === 1 && s[0].cells.length === 1){ |
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| 283 | s[0].type = "dojox.grid._TreeGridView"; |
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| 284 | this._isCollapsable = true; |
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| 285 | s[0].cells[0][this.grid.expandoCell].isCollapsable = true; |
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| 286 | } |
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| 287 | this.inherited(arguments); |
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| 288 | }, |
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| 289 | addCellDef: function(rowIndex, cellIndex, def){ |
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| 290 | var obj = this.inherited(arguments); |
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| 291 | return lang.mixin(obj, LazyTreeCell); |
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| 292 | } |
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| 293 | }); |
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| 294 | |
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| 295 | var _LazyTreeGridCache = declare("dojox.grid._LazyTreeGridCache", null, { |
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| 296 | // summary: |
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| 297 | // An internal object used to cache the tree path and open state of each item. |
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| 298 | // The form of the cache items would be an object array: |
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| 299 | // [{opened: true/false, treePath: [level0 parent id, level1 parent id, ...]}] |
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| 300 | // example: |
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| 301 | // | [{opened: true, treePath: []}, |
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| 302 | // | {opened: false, treePath: ["root0"]}, |
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| 303 | // | {opened: false, treePath: ["root0"]}, |
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| 304 | // | {opened: false, treePath: []}, |
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| 305 | // | ...] |
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| 306 | constructor: function(){ |
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| 307 | this.items = []; |
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| 308 | }, |
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| 309 | getSiblingIndex: function(rowIndex, treePath){ |
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| 310 | var i = rowIndex - 1, indexCount = 0, tp; |
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| 311 | for(; i >=0; i--){ |
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| 312 | tp = this.items[i] ? this.items[i].treePath : []; |
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| 313 | if(tp.join('/') === treePath.join('/')){ |
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| 314 | indexCount++; |
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| 315 | }else if(tp.length < treePath.length){ |
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| 316 | break; |
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| 317 | } |
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| 318 | } |
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| 319 | return indexCount; |
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| 320 | }, |
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| 321 | removeChildren: function(rowIndex){ |
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| 322 | // find next sibling index |
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| 323 | var i = rowIndex + 1, count, tp, |
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| 324 | treePath = this.items[rowIndex] ? this.items[rowIndex].treePath : []; |
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| 325 | for(; i < this.items.length; i++){ |
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| 326 | tp = this.items[i] ? this.items[i].treePath : []; |
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| 327 | if(tp.join('/') === treePath.join('/') || tp.length <= treePath.length){ |
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| 328 | break; |
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| 329 | } |
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| 330 | } |
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| 331 | count = i - (rowIndex + 1); |
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| 332 | this.items.splice(rowIndex + 1, count); |
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| 333 | return count; |
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| 334 | } |
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| 335 | }); |
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| 336 | |
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| 337 | var LazyTreeGrid = declare("dojox.grid.LazyTreeGrid", TreeGrid, { |
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| 338 | // summary: |
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| 339 | // An enhanced TreeGrid widget which supports lazy-loading for nested children items |
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| 340 | // |
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| 341 | // description: |
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| 342 | // LazyTreeGrid inherits from dojo.grid.TreeGrid and applies virtual scrolling mechanism |
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| 343 | // to nested children rows so that it's possible to deal with complex tree structure data set |
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| 344 | // with nested and huge children rows. It's also compatible with dijit.tree.ForestStoreModel |
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| 345 | // |
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| 346 | // Most methods and properties pertaining to dojox.grid.DataGrid |
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| 347 | // and dojox.grid.TreeGrid also apply here |
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| 348 | // |
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| 349 | // LazyTreeGrid does not support summary row/items aggregate due to the lazy-loading rationale. |
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| 350 | |
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| 351 | _layoutClass: _LazyTreeLayout, |
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| 352 | _size: 0, |
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| 353 | |
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| 354 | // treeModel: dijit/tree/.ForestStoreModel|dojox/grid/LazyTreeGridStoreModel |
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| 355 | // A tree store model object. |
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| 356 | treeModel: null, |
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| 357 | |
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| 358 | // defaultState: Object |
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| 359 | // Used to restore the state of LazyTreeGrid. |
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| 360 | // This object should ONLY be obtained from `LazyTreeGrid.getState()`. |
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| 361 | defaultState: null, |
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| 362 | |
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| 363 | // colSpans: Object |
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| 364 | // A json object that defines column span of each level rows. Attributes: |
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| 365 | // |
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| 366 | // - 0/1/..: which level need to colspan |
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| 367 | // - start: start column index of colspan |
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| 368 | // - end: end column index of colspan |
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| 369 | // - primary: index of column which content will be displayed (default is value of start). |
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| 370 | // |
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| 371 | // example: |
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| 372 | // | colSpans = { |
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| 373 | // | 0: [ |
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| 374 | // | {start: 0, end: 1, primary: 0}, |
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| 375 | // | {start: 2, end: 4, primary: 3} |
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| 376 | // | ], |
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| 377 | // | 1: [ |
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| 378 | // | {start: 0, end: 3, primary: 1} |
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| 379 | // | ] |
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| 380 | // | }; |
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| 381 | colSpans: null, |
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| 382 | |
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| 383 | postCreate: function(){ |
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| 384 | this._setState(); |
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| 385 | this.inherited(arguments); |
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| 386 | if(!this._treeCache){ |
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| 387 | this._treeCache = new _LazyTreeGridCache(); |
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| 388 | } |
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| 389 | if(!this.treeModel || !(this.treeModel instanceof dijit.tree.ForestStoreModel)){ |
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| 390 | throw new Error("dojox.grid.LazyTreeGrid: must be used with a treeModel which is an instance of dijit.tree.ForestStoreModel"); |
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| 391 | } |
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| 392 | domClass.add(this.domNode, "dojoxGridTreeModel"); |
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| 393 | dom.setSelectable(this.domNode, this.selectable); |
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| 394 | }, |
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| 395 | createManagers: function(){ |
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| 396 | this.rows = new _RowManager(this); |
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| 397 | this.focus = new _FocusManager(this); |
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| 398 | this.edit = new _EditManager(this); |
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| 399 | }, |
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| 400 | createSelection: function(){ |
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| 401 | this.selection = new DataSelection(this); |
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| 402 | }, |
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| 403 | setModel: function(treeModel){ |
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| 404 | if(!treeModel){ |
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| 405 | return; |
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| 406 | } |
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| 407 | this._setModel(treeModel); |
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| 408 | this._cleanup(); |
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| 409 | this._refresh(true); |
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| 410 | }, |
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| 411 | setStore: function(store, query, queryOptions){ |
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| 412 | if(!store){ |
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| 413 | return; |
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| 414 | } |
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| 415 | this._setQuery(query, queryOptions); |
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| 416 | this.treeModel.query = query; |
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| 417 | this.treeModel.store = store; |
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| 418 | this.treeModel.root.children = []; |
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| 419 | this.setModel(this.treeModel); |
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| 420 | }, |
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| 421 | onSetState: function(){ |
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| 422 | // summary: |
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| 423 | // Event fired when a default state being set. |
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| 424 | }, |
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| 425 | _setState: function(){ |
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| 426 | if(this.defaultState){ |
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| 427 | this._treeCache = this.defaultState.cache; |
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| 428 | this.sortInfo = this.defaultState.sortInfo || 0; |
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| 429 | this.query = this.defaultState.query || this.query; |
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| 430 | this._lastScrollTop = this.defaultState.scrollTop; |
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| 431 | if(this.keepSelection){ |
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| 432 | this.selection.preserver._selectedById = this.defaultState.selection; |
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| 433 | }else{ |
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| 434 | this.selection.selected = this.defaultState.selection || []; |
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| 435 | } |
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| 436 | this.onSetState(); |
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| 437 | } |
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| 438 | }, |
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| 439 | getState: function(){ |
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| 440 | // summary: |
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| 441 | // Get the current state of LazyTreeGrid including expanding, sorting, selection and scroll top state. |
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| 442 | var _this = this, |
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| 443 | selection = this.keepSelection ? this.selection.preserver._selectedById : this.selection.selected; |
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| 444 | return { |
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| 445 | cache: lang.clone(_this._treeCache), |
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| 446 | query: lang.clone(_this.query), |
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| 447 | sortInfo: lang.clone(_this.sortInfo), |
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| 448 | scrollTop: lang.clone(_this.scrollTop), |
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| 449 | selection: lang.clone(selection) |
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| 450 | }; |
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| 451 | }, |
---|
| 452 | _setQuery: function(query, queryOptions){ |
---|
| 453 | this.inherited(arguments); |
---|
| 454 | this.treeModel.query = query; |
---|
| 455 | }, |
---|
| 456 | filter: function(query, reRender){ |
---|
| 457 | this._cleanup(); |
---|
| 458 | this.inherited(arguments); |
---|
| 459 | }, |
---|
| 460 | destroy: function(){ |
---|
| 461 | this._cleanup(); |
---|
| 462 | this.inherited(arguments); |
---|
| 463 | }, |
---|
| 464 | expand: function(itemId){ |
---|
| 465 | // summary: |
---|
| 466 | // Expand the row with the given itemId. |
---|
| 467 | // itemId: String? |
---|
| 468 | this._fold(itemId, true); |
---|
| 469 | }, |
---|
| 470 | collapse: function(itemId){ |
---|
| 471 | // summary: |
---|
| 472 | // Collapse the row with the given itemId. |
---|
| 473 | // itemId: String? |
---|
| 474 | this._fold(itemId, false); |
---|
| 475 | }, |
---|
| 476 | refresh: function(keepState){ |
---|
| 477 | // summary: |
---|
| 478 | // Refresh, and persist the expand/collapse state when keepState equals true |
---|
| 479 | // keepState: Boolean |
---|
| 480 | if(!keepState){ |
---|
| 481 | this._cleanup(); |
---|
| 482 | } |
---|
| 483 | this._refresh(true); |
---|
| 484 | }, |
---|
| 485 | _cleanup: function(){ |
---|
| 486 | this._treeCache.items = []; |
---|
| 487 | this._onCleanupExpandoCache(); |
---|
| 488 | }, |
---|
| 489 | setSortIndex: function(inIndex, inAsc){ |
---|
| 490 | // Need to clean up the cache before sorting |
---|
| 491 | if(this.canSort(inIndex + 1)){ |
---|
| 492 | this._cleanup(); |
---|
| 493 | } |
---|
| 494 | this.inherited(arguments); |
---|
| 495 | }, |
---|
| 496 | _refresh: function(isRender){ |
---|
| 497 | this._clearData(); |
---|
| 498 | this.updateRowCount(this._size); |
---|
| 499 | this._fetch(0, true); |
---|
| 500 | }, |
---|
| 501 | render: function(){ |
---|
| 502 | this.inherited(arguments); |
---|
| 503 | this.setScrollTop(this.scrollTop); |
---|
| 504 | }, |
---|
| 505 | _onNew: function(item, parentInfo){ |
---|
| 506 | var addingChild = parentInfo && this.store.isItem(parentInfo.item) && array.some(this.treeModel.childrenAttrs, function(c){ |
---|
| 507 | return c === parentInfo.attribute; |
---|
| 508 | }); |
---|
| 509 | var items = this._treeCache.items, byIdx = this._by_idx; |
---|
| 510 | if(!addingChild){ |
---|
| 511 | items.push({opened: false, treePath: []}); |
---|
| 512 | this._size += 1; |
---|
| 513 | this.inherited(arguments); |
---|
| 514 | }else{ |
---|
| 515 | var parentItem = parentInfo.item, |
---|
| 516 | parentIdty = this.store.getIdentity(parentItem), |
---|
| 517 | rowIndex = -1, i = 0; |
---|
| 518 | for(; i < byIdx.length; i++){ |
---|
| 519 | if(parentIdty === byIdx[i].idty){ |
---|
| 520 | rowIndex = i; |
---|
| 521 | break; |
---|
| 522 | } |
---|
| 523 | } |
---|
| 524 | if(rowIndex >= 0){ |
---|
| 525 | if(items[rowIndex] && items[rowIndex].opened){ |
---|
| 526 | var parentTreePath = items[rowIndex].treePath, pos = rowIndex + 1; |
---|
| 527 | for(; pos < items.length; pos++){ |
---|
| 528 | if(items[pos].treePath.length <= parentTreePath.length){ |
---|
| 529 | break; |
---|
| 530 | } |
---|
| 531 | } |
---|
| 532 | var treePath = parentTreePath.slice(); |
---|
| 533 | treePath.push(parentIdty); |
---|
| 534 | this._treeCache.items.splice(pos, 0, {opened: false, treePath: treePath}); |
---|
| 535 | // update grid._by_idx |
---|
| 536 | var idty = this.store.getIdentity(item); |
---|
| 537 | this._by_idty[idty] = { idty: idty, item: item }; |
---|
| 538 | byIdx.splice(pos, 0, this._by_idty[idty]); |
---|
| 539 | // update grid |
---|
| 540 | this._size += 1; |
---|
| 541 | this.updateRowCount(this._size); |
---|
| 542 | this._updateRenderedRows(pos); |
---|
| 543 | }else{ |
---|
| 544 | this.updateRow(rowIndex); |
---|
| 545 | } |
---|
| 546 | } |
---|
| 547 | } |
---|
| 548 | }, |
---|
| 549 | _onDelete: function(item){ |
---|
| 550 | var i = 0, rowIndex = -1, idty = this.store.getIdentity(item); |
---|
| 551 | for(; i < this._by_idx.length; i++){ |
---|
| 552 | if(idty === this._by_idx[i].idty){ |
---|
| 553 | rowIndex = i; |
---|
| 554 | break; |
---|
| 555 | } |
---|
| 556 | } |
---|
| 557 | if(rowIndex >= 0){ |
---|
| 558 | var items = this._treeCache.items, treePath = items[rowIndex] ? items[rowIndex].treePath : [], tp, count = 1; |
---|
| 559 | i = rowIndex + 1; |
---|
| 560 | for(; i < this._size; i++, count++){ |
---|
| 561 | tp = items[i] ? items[i].treePath : []; |
---|
| 562 | if(items[i].treePath.length <= treePath.length){ |
---|
| 563 | break; |
---|
| 564 | } |
---|
| 565 | } |
---|
| 566 | items.splice(rowIndex, count); |
---|
| 567 | this._onCleanupExpandoCache(idty); |
---|
| 568 | this._by_idx.splice(rowIndex, count); |
---|
| 569 | this._size -= count; |
---|
| 570 | this.updateRowCount(this._size); |
---|
| 571 | this._updateRenderedRows(rowIndex); |
---|
| 572 | } |
---|
| 573 | }, |
---|
| 574 | _onCleanupExpandoCache: function(identity){}, |
---|
| 575 | _fetch: function(start, isRender){ |
---|
| 576 | if(!this._loading){ |
---|
| 577 | this._loading = true; |
---|
| 578 | } |
---|
| 579 | start = start || 0; |
---|
| 580 | var count = this._size - start > 0 ? Math.min(this.rowsPerPage, this._size - start) : this.rowsPerPage; |
---|
| 581 | var i = 0; |
---|
| 582 | var fetchedItems = []; |
---|
| 583 | this._reqQueueLen = 0; |
---|
| 584 | for(; i < count; i++){ |
---|
| 585 | if(this._by_idx[start + i]){ |
---|
| 586 | fetchedItems.push(this._by_idx[start + i].item); |
---|
| 587 | }else{ |
---|
| 588 | break; |
---|
| 589 | } |
---|
| 590 | } |
---|
| 591 | if(fetchedItems.length === count){ |
---|
| 592 | this._reqQueueLen = 1; |
---|
| 593 | this._onFetchBegin(this._size, {startRowIdx: start, count: count}); |
---|
| 594 | this._onFetchComplete(fetchedItems, {startRowIdx: start, count: count}); |
---|
| 595 | }else{ |
---|
| 596 | var level, nextLevel, len = 1, items = this._treeCache.items, |
---|
| 597 | treePath = items[start] ? items[start].treePath : []; |
---|
| 598 | for(i = 1; i < count; i++){ |
---|
| 599 | level = items[start + len - 1] ? items[start + len - 1].treePath.length : 0; |
---|
| 600 | nextLevel = items[start + len] ? items[start + len].treePath.length : 0; |
---|
| 601 | if(level !== nextLevel){ |
---|
| 602 | this._reqQueueLen++; |
---|
| 603 | this._fetchItems({startRowIdx: start, count: len, treePath: treePath}); |
---|
| 604 | start = start + len; |
---|
| 605 | len = 1; |
---|
| 606 | treePath = items[start] ? items[start].treePath : 0; |
---|
| 607 | }else{ |
---|
| 608 | len++; |
---|
| 609 | } |
---|
| 610 | } |
---|
| 611 | this._reqQueueLen++; |
---|
| 612 | this._fetchItems({startRowIdx: start, count: len, treePath: treePath}); |
---|
| 613 | } |
---|
| 614 | }, |
---|
| 615 | _fetchItems: function(req){ |
---|
| 616 | if(this._pending_requests[req.startRowIdx]){ |
---|
| 617 | return; |
---|
| 618 | } |
---|
| 619 | this.showMessage(this.loadingMessage); |
---|
| 620 | this._pending_requests[req.startRowIdx] = true; |
---|
| 621 | var onError = lang.hitch(this, '_onFetchError'), |
---|
| 622 | start = this._treeCache.getSiblingIndex(req.startRowIdx, req.treePath); |
---|
| 623 | if(req.treePath.length === 0){ |
---|
| 624 | this.store.fetch({ |
---|
| 625 | start: start, |
---|
| 626 | startRowIdx: req.startRowIdx, |
---|
| 627 | treePath: req.treePath, |
---|
| 628 | count: req.count, |
---|
| 629 | query: this.query, |
---|
| 630 | sort: this.getSortProps(), |
---|
| 631 | queryOptions: this.queryOptions, |
---|
| 632 | onBegin: lang.hitch(this, '_onFetchBegin'), |
---|
| 633 | onComplete: lang.hitch(this, '_onFetchComplete'), |
---|
| 634 | onError: lang.hitch(this, '_onFetchError') |
---|
| 635 | }); |
---|
| 636 | }else{ |
---|
| 637 | var parentId = req.treePath[req.treePath.length - 1], parentItem; |
---|
| 638 | var queryObj = { |
---|
| 639 | start: start, |
---|
| 640 | startRowIdx: req.startRowIdx, |
---|
| 641 | treePath: req.treePath, |
---|
| 642 | count: req.count, |
---|
| 643 | parentId: parentId, |
---|
| 644 | sort: this.getSortProps() |
---|
| 645 | }; |
---|
| 646 | var _this = this; |
---|
| 647 | var onComplete = function(){ |
---|
| 648 | var f = lang.hitch(_this, '_onFetchComplete'); |
---|
| 649 | if(arguments.length == 1){ |
---|
| 650 | f.apply(_this, [arguments[0], queryObj]); |
---|
| 651 | }else{ |
---|
| 652 | f.apply(_this, arguments); |
---|
| 653 | } |
---|
| 654 | }; |
---|
| 655 | if(this._by_idty[parentId]){ |
---|
| 656 | parentItem = this._by_idty[parentId].item; |
---|
| 657 | this.treeModel.getChildren(parentItem, onComplete, onError, queryObj); |
---|
| 658 | }else{ |
---|
| 659 | this.store.fetchItemByIdentity({ |
---|
| 660 | identity: parentId, |
---|
| 661 | onItem: function(item){ |
---|
| 662 | _this.treeModel.getChildren(item, onComplete, onError, queryObj); |
---|
| 663 | }, |
---|
| 664 | onError: onError |
---|
| 665 | }); |
---|
| 666 | } |
---|
| 667 | } |
---|
| 668 | }, |
---|
| 669 | _onFetchBegin: function(size, request){ |
---|
| 670 | if(this._treeCache.items.length === 0){ |
---|
| 671 | this._size = parseInt(size, 10); |
---|
| 672 | } |
---|
| 673 | size = this._size; |
---|
| 674 | // this._size = size = this._treeCache.items.length; |
---|
| 675 | this.inherited(arguments); |
---|
| 676 | }, |
---|
| 677 | _onFetchComplete: function(items, request){ |
---|
| 678 | var startRowIdx = request.startRowIdx, |
---|
| 679 | count = request.count, |
---|
| 680 | start = items.length <= count ? 0: request.start, |
---|
| 681 | treePath = request.treePath || []; |
---|
| 682 | if(lang.isArray(items) && items.length > 0){ |
---|
| 683 | var i = 0, len = Math.min(count, items.length); |
---|
| 684 | for(; i < len; i++){ |
---|
| 685 | if(!this._treeCache.items[startRowIdx + i]){ |
---|
| 686 | this._treeCache.items[startRowIdx + i] = {opened: false, treePath: treePath}; |
---|
| 687 | } |
---|
| 688 | if(!this._by_idx[startRowIdx + i]){ |
---|
| 689 | this._addItem(items[start + i], startRowIdx + i, true); |
---|
| 690 | } |
---|
| 691 | // this._treeCache.items.splice(startRowIdx + i, 0, {opened: false, treePath: treePath}); |
---|
| 692 | } |
---|
| 693 | this.updateRows(startRowIdx, len); |
---|
| 694 | } |
---|
| 695 | if(this._size == 0){ |
---|
| 696 | this.showMessage(this.noDataMessage); |
---|
| 697 | }else{ |
---|
| 698 | this.showMessage(); |
---|
| 699 | } |
---|
| 700 | this._pending_requests[startRowIdx] = false; |
---|
| 701 | this._reqQueueLen--; |
---|
| 702 | if(this._loading && this._reqQueueLen === 0){ |
---|
| 703 | this._loading = false; |
---|
| 704 | if(this._lastScrollTop){ |
---|
| 705 | this.setScrollTop(this._lastScrollTop); |
---|
| 706 | } |
---|
| 707 | } |
---|
| 708 | }, |
---|
| 709 | expandoFetch: function(rowIndex, open){ |
---|
| 710 | // summary: |
---|
| 711 | // Function for fetch children of a given row |
---|
| 712 | if(this._loading || !this._by_idx[rowIndex]){return;} |
---|
| 713 | this._loading = true; |
---|
| 714 | this._toggleLoadingClass(rowIndex, true); |
---|
| 715 | this.expandoRowIndex = rowIndex; |
---|
| 716 | var item = this._by_idx[rowIndex].item; |
---|
| 717 | // this._pages = []; |
---|
| 718 | if(open){ |
---|
| 719 | var queryObj = { |
---|
| 720 | start: 0, |
---|
| 721 | count: this.rowsPerPage, |
---|
| 722 | parentId: this.store.getIdentity(this._by_idx[rowIndex].item), |
---|
| 723 | sort: this.getSortProps() |
---|
| 724 | }; |
---|
| 725 | this.treeModel.getChildren(item, lang.hitch(this, "_onExpandoComplete"), lang.hitch(this, "_onFetchError"), queryObj); |
---|
| 726 | }else{ |
---|
| 727 | // get the whole children number when clear the children from cache |
---|
| 728 | var num = this._treeCache.removeChildren(rowIndex); |
---|
| 729 | // remove the items from grid._by_idx |
---|
| 730 | this._by_idx.splice(rowIndex + 1, num); |
---|
| 731 | this._bop = this._eop = -1; |
---|
| 732 | //update grid |
---|
| 733 | this._size -= num; |
---|
| 734 | this.updateRowCount(this._size); |
---|
| 735 | this._updateRenderedRows(rowIndex + 1); |
---|
| 736 | this._toggleLoadingClass(rowIndex, false); |
---|
| 737 | if(this._loading){ |
---|
| 738 | this._loading = false; |
---|
| 739 | } |
---|
| 740 | this.focus._delayedCellFocus(); |
---|
| 741 | } |
---|
| 742 | }, |
---|
| 743 | _onExpandoComplete: function(childItems, request, size){ |
---|
| 744 | size = isNaN(size) ? childItems.length : parseInt(size, 10); |
---|
| 745 | var treePath = this._treeCache.items[this.expandoRowIndex].treePath.slice(0); |
---|
| 746 | treePath.push(this.store.getIdentity(this._by_idx[this.expandoRowIndex].item)); |
---|
| 747 | var i = 1, idty; |
---|
| 748 | for(; i <= size; i++){ |
---|
| 749 | this._treeCache.items.splice(this.expandoRowIndex + i, 0, {treePath: treePath, opened: false}); |
---|
| 750 | } |
---|
| 751 | this._size += size; |
---|
| 752 | this.updateRowCount(this._size); |
---|
| 753 | for(i = 0; i < size; i++){ |
---|
| 754 | if(childItems[i]){ |
---|
| 755 | idty = this.store.getIdentity(childItems[i]); |
---|
| 756 | this._by_idty[idty] = { idty: idty, item: childItems[i] }; |
---|
| 757 | this._by_idx.splice(this.expandoRowIndex + 1 + i, 0, this._by_idty[idty]); |
---|
| 758 | }else{ |
---|
| 759 | this._by_idx.splice(this.expandoRowIndex + 1 + i, 0, null); |
---|
| 760 | } |
---|
| 761 | } |
---|
| 762 | this._updateRenderedRows(this.expandoRowIndex + 1); |
---|
| 763 | this._toggleLoadingClass(this.expandoRowIndex, false); |
---|
| 764 | this.stateChangeNode = null; |
---|
| 765 | if(this._loading){ |
---|
| 766 | this._loading = false; |
---|
| 767 | } |
---|
| 768 | if(this.autoHeight === true){ |
---|
| 769 | this._resize(); |
---|
| 770 | } |
---|
| 771 | this.focus._delayedCellFocus(); |
---|
| 772 | }, |
---|
| 773 | styleRowNode: function(rowIndex, rowNode){ |
---|
| 774 | if(rowNode){ |
---|
| 775 | this.rows.styleRowNode(rowIndex, rowNode); |
---|
| 776 | } |
---|
| 777 | }, |
---|
| 778 | onStyleRow: function(row){ |
---|
| 779 | if(!this.layout._isCollapsable){ |
---|
| 780 | this.inherited(arguments); |
---|
| 781 | return; |
---|
| 782 | } |
---|
| 783 | row.customClasses += (row.odd ? " dojoxGridRowOdd" : "") + (row.selected ? " dojoxGridRowSelected" : "") + (row.over ? " dojoxGridRowOver" : ""); |
---|
| 784 | this.focus.styleRow(row); |
---|
| 785 | this.edit.styleRow(row); |
---|
| 786 | }, |
---|
| 787 | onKeyDown: function(e){ |
---|
| 788 | if(e.altKey || e.metaKey){ |
---|
| 789 | return; |
---|
| 790 | } |
---|
| 791 | var expando = dijit.findWidgets(e.target)[0]; |
---|
| 792 | if(e.keyCode === keys.ENTER && expando instanceof _LazyExpando){ |
---|
| 793 | expando.onToggle(); |
---|
| 794 | } |
---|
| 795 | this.inherited(arguments); |
---|
| 796 | }, |
---|
| 797 | _toggleLoadingClass: function(rowIndex, flag){ |
---|
| 798 | var views = this.views.views, node, |
---|
| 799 | rowNode = views[views.length - 1].getRowNode(rowIndex); |
---|
| 800 | if(rowNode){ |
---|
| 801 | node = query('.dojoxGridExpando', rowNode)[0]; |
---|
| 802 | if(node){ |
---|
| 803 | domClass.toggle(node, "dojoxGridExpandoLoading", flag); |
---|
| 804 | } |
---|
| 805 | } |
---|
| 806 | }, |
---|
| 807 | _updateRenderedRows: function(start){ |
---|
| 808 | array.forEach(this.scroller.stack, function(p){ |
---|
| 809 | if(p * this.rowsPerPage >= start){ |
---|
| 810 | this.updateRows(p * this.rowsPerPage, this.rowsPerPage); |
---|
| 811 | }else if((p + 1) * this.rowsPerPage >= start){ |
---|
| 812 | this.updateRows(start, (p + 1) * this.rowsPerPage - start + 1); |
---|
| 813 | } |
---|
| 814 | }, this); |
---|
| 815 | }, |
---|
| 816 | _fold: function(itemId, open){ |
---|
| 817 | var rowIndex = -1, i = 0, byIdx = this._by_idx, idty = this._by_idty[itemId]; |
---|
| 818 | if(idty && idty.item && this.treeModel.mayHaveChildren(idty.item)){ |
---|
| 819 | for(; i < byIdx.length; i++){ |
---|
| 820 | if(byIdx[i] && byIdx[i].idty === itemId){ |
---|
| 821 | rowIndex = i; |
---|
| 822 | break; |
---|
| 823 | } |
---|
| 824 | } |
---|
| 825 | if(rowIndex >= 0){ |
---|
| 826 | var rowNode = this.views.views[this.views.views.length - 1].getRowNode(rowIndex); |
---|
| 827 | if(rowNode){ |
---|
| 828 | var expando = dijit.findWidgets(rowNode)[0]; |
---|
| 829 | if(expando){ |
---|
| 830 | expando.setOpen(open); |
---|
| 831 | } |
---|
| 832 | } |
---|
| 833 | } |
---|
| 834 | } |
---|
| 835 | } |
---|
| 836 | }); |
---|
| 837 | |
---|
| 838 | LazyTreeGrid.markupFactory = function(props, node, ctor, cellFunc){ |
---|
| 839 | return TreeGrid.markupFactory(props, node, ctor, cellFunc); |
---|
| 840 | }; |
---|
| 841 | |
---|
| 842 | return LazyTreeGrid; |
---|
| 843 | |
---|
| 844 | }); |
---|