[483] | 1 | define([ |
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| 2 | "dojo/_base/declare", |
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| 3 | "dojo/_base/sniff", |
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| 4 | "dojo/dom-class" |
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| 5 | ], function(declare, has, domClass){ |
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| 6 | |
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| 7 | return declare('dojox.grid._ViewManager', null, { |
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| 8 | // summary: |
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| 9 | // A collection of grid views. Owned by grid and used internally for managing grid views. |
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| 10 | // description: |
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| 11 | // Grid creates views automatically based on grid's layout structure. |
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| 12 | // Users should typically not need to access individual views or the views collection directly. |
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| 13 | constructor: function(inGrid){ |
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| 14 | this.grid = inGrid; |
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| 15 | }, |
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| 16 | |
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| 17 | defaultWidth: 200, |
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| 18 | |
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| 19 | views: [], |
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| 20 | |
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| 21 | // operations |
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| 22 | resize: function(){ |
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| 23 | this.onEach("resize"); |
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| 24 | }, |
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| 25 | |
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| 26 | render: function(){ |
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| 27 | this.onEach("render"); |
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| 28 | }, |
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| 29 | |
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| 30 | // views |
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| 31 | addView: function(inView){ |
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| 32 | inView.idx = this.views.length; |
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| 33 | this.views.push(inView); |
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| 34 | }, |
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| 35 | |
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| 36 | destroyViews: function(){ |
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| 37 | for(var i=0, v; v=this.views[i]; i++){ |
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| 38 | v.destroy(); |
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| 39 | } |
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| 40 | this.views = []; |
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| 41 | }, |
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| 42 | |
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| 43 | getContentNodes: function(){ |
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| 44 | var nodes = []; |
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| 45 | for(var i=0, v; v=this.views[i]; i++){ |
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| 46 | nodes.push(v.contentNode); |
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| 47 | } |
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| 48 | return nodes; |
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| 49 | }, |
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| 50 | |
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| 51 | forEach: function(inCallback){ |
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| 52 | for(var i=0, v; v=this.views[i]; i++){ |
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| 53 | inCallback(v, i); |
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| 54 | } |
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| 55 | }, |
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| 56 | |
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| 57 | onEach: function(inMethod, inArgs){ |
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| 58 | inArgs = inArgs || []; |
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| 59 | for(var i=0, v; v=this.views[i]; i++){ |
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| 60 | if(inMethod in v){ |
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| 61 | v[inMethod].apply(v, inArgs); |
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| 62 | } |
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| 63 | } |
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| 64 | }, |
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| 65 | |
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| 66 | // layout |
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| 67 | normalizeHeaderNodeHeight: function(){ |
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| 68 | var rowNodes = []; |
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| 69 | for(var i=0, v; (v=this.views[i]); i++){ |
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| 70 | if(v.headerContentNode.firstChild){ |
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| 71 | rowNodes.push(v.headerContentNode); |
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| 72 | } |
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| 73 | } |
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| 74 | this.normalizeRowNodeHeights(rowNodes); |
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| 75 | }, |
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| 76 | |
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| 77 | normalizeRowNodeHeights: function(inRowNodes){ |
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| 78 | var h = 0; |
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| 79 | var currHeights = []; |
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| 80 | if(this.grid.rowHeight){ |
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| 81 | h = this.grid.rowHeight; |
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| 82 | }else{ |
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| 83 | if(inRowNodes.length <= 1){ |
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| 84 | // no need to normalize if we are the only one... |
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| 85 | return; |
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| 86 | } |
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| 87 | for(var i=0, n; (n=inRowNodes[i]); i++){ |
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| 88 | // We only care about the height - so don't use marginBox. This |
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| 89 | // depends on the container not having any margin (which it shouldn't) |
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| 90 | // Also - we only look up the height if the cell doesn't have the |
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| 91 | // dojoxGridNonNormalizedCell class (like for row selectors) |
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| 92 | if(!domClass.contains(n, "dojoxGridNonNormalizedCell")){ |
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| 93 | currHeights[i] = n.firstChild.offsetHeight; |
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| 94 | h = Math.max(h, currHeights[i]); |
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| 95 | } |
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| 96 | } |
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| 97 | h = (h >= 0 ? h : 0); |
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| 98 | |
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| 99 | //Work around odd FF3 rendering bug: #8864. |
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| 100 | //A one px increase fixes FireFox 3's rounding bug for fractional font sizes. |
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| 101 | if((has('mozilla') || has('ie') > 8 ) && h){h++;} |
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| 102 | } |
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| 103 | for(i=0; (n=inRowNodes[i]); i++){ |
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| 104 | if(currHeights[i] != h){ |
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| 105 | n.firstChild.style.height = h + "px"; |
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| 106 | } |
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| 107 | } |
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| 108 | }, |
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| 109 | |
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| 110 | resetHeaderNodeHeight: function(){ |
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| 111 | for(var i=0, v, n; (v=this.views[i]); i++){ |
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| 112 | n = v.headerContentNode.firstChild; |
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| 113 | if(n){ |
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| 114 | n.style.height = ""; |
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| 115 | } |
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| 116 | } |
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| 117 | }, |
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| 118 | |
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| 119 | renormalizeRow: function(inRowIndex){ |
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| 120 | var rowNodes = []; |
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| 121 | for(var i=0, v, n; (v=this.views[i])&&(n=v.getRowNode(inRowIndex)); i++){ |
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| 122 | n.firstChild.style.height = ''; |
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| 123 | rowNodes.push(n); |
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| 124 | } |
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| 125 | this.normalizeRowNodeHeights(rowNodes); |
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| 126 | }, |
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| 127 | |
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| 128 | getViewWidth: function(inIndex){ |
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| 129 | return this.views[inIndex].getWidth() || this.defaultWidth; |
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| 130 | }, |
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| 131 | |
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| 132 | // must be called after view widths are properly set or height can be miscalculated |
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| 133 | // if there are flex columns |
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| 134 | measureHeader: function(){ |
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| 135 | // need to reset view header heights so they are properly measured. |
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| 136 | this.resetHeaderNodeHeight(); |
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| 137 | this.forEach(function(inView){ |
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| 138 | inView.headerContentNode.style.height = ''; |
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| 139 | }); |
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| 140 | var h = 0; |
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| 141 | // calculate maximum view header height |
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| 142 | this.forEach(function(inView){ |
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| 143 | h = Math.max(inView.headerNode.offsetHeight, h); |
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| 144 | }); |
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| 145 | return h; |
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| 146 | }, |
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| 147 | |
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| 148 | measureContent: function(){ |
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| 149 | var h = 0; |
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| 150 | this.forEach(function(inView){ |
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| 151 | h = Math.max(inView.domNode.offsetHeight, h); |
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| 152 | }); |
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| 153 | return h; |
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| 154 | }, |
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| 155 | |
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| 156 | findClient: function(inAutoWidth){ |
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| 157 | // try to use user defined client |
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| 158 | var c = this.grid.elasticView || -1; |
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| 159 | // attempt to find implicit client |
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| 160 | if(c < 0){ |
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| 161 | for(var i=1, v; (v=this.views[i]); i++){ |
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| 162 | if(v.viewWidth){ |
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| 163 | for(i=1; (v=this.views[i]); i++){ |
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| 164 | if(!v.viewWidth){ |
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| 165 | c = i; |
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| 166 | break; |
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| 167 | } |
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| 168 | } |
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| 169 | break; |
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| 170 | } |
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| 171 | } |
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| 172 | } |
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| 173 | // client is in the middle by default |
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| 174 | if(c < 0){ |
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| 175 | c = Math.floor(this.views.length / 2); |
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| 176 | } |
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| 177 | return c; |
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| 178 | }, |
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| 179 | |
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| 180 | arrange: function(l, w){ |
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| 181 | var i, v, vw, len = this.views.length, self = this; |
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| 182 | // find the client |
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| 183 | var c = (w <= 0 ? len : this.findClient()); |
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| 184 | // layout views |
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| 185 | var setPosition = function(v, l){ |
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| 186 | var ds = v.domNode.style; |
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| 187 | var hs = v.headerNode.style; |
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| 188 | |
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| 189 | if(!self.grid.isLeftToRight()){ |
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| 190 | ds.right = l + 'px'; |
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| 191 | // fixed rtl, the scrollbar is on the right side in FF < 4 |
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| 192 | if(has('ff') < 4){ |
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| 193 | hs.right = l + v.getScrollbarWidth() + 'px'; |
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| 194 | }else{ |
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| 195 | hs.right = l + 'px'; |
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| 196 | } |
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| 197 | if(!has('webkit') && hs.width != 'auto'){ |
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| 198 | hs.width = parseInt(hs.width, 10) - v.getScrollbarWidth() + 'px'; |
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| 199 | } |
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| 200 | }else{ |
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| 201 | ds.left = l + 'px'; |
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| 202 | hs.left = l + 'px'; |
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| 203 | } |
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| 204 | ds.top = 0 + 'px'; |
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| 205 | hs.top = 0; |
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| 206 | }; |
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| 207 | // for views left of the client |
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| 208 | //BiDi TODO: The left and right should not appear in BIDI environment. Should be replaced with |
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| 209 | //leading and tailing concept. |
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| 210 | for(i=0; (v=this.views[i])&&(i<c); i++){ |
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| 211 | // get width |
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| 212 | vw = this.getViewWidth(i); |
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| 213 | // process boxes |
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| 214 | v.setSize(vw, 0); |
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| 215 | setPosition(v, l); |
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| 216 | if(v.headerContentNode && v.headerContentNode.firstChild){ |
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| 217 | vw = v.getColumnsWidth()+v.getScrollbarWidth(); |
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| 218 | }else{ |
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| 219 | vw = v.domNode.offsetWidth; |
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| 220 | } |
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| 221 | // update position |
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| 222 | l += vw; |
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| 223 | } |
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| 224 | // next view (is the client, i++ == c) |
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| 225 | i++; |
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| 226 | // start from the right edge |
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| 227 | var r = w; |
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| 228 | // for views right of the client (iterated from the right) |
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| 229 | for(var j=len-1; (v=this.views[j])&&(i<=j); j--){ |
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| 230 | // get width |
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| 231 | vw = this.getViewWidth(j); |
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| 232 | // set size |
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| 233 | v.setSize(vw, 0); |
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| 234 | // measure in pixels |
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| 235 | vw = v.domNode.offsetWidth; |
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| 236 | // update position |
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| 237 | r -= vw; |
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| 238 | // set position |
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| 239 | setPosition(v, r); |
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| 240 | } |
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| 241 | if(c<len){ |
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| 242 | v = this.views[c]; |
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| 243 | // position the client box between left and right boxes |
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| 244 | vw = Math.max(1, r-l); |
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| 245 | // set size |
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| 246 | v.setSize(vw + 'px', 0); |
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| 247 | setPosition(v, l); |
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| 248 | } |
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| 249 | return l; |
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| 250 | }, |
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| 251 | |
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| 252 | // rendering |
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| 253 | renderRow: function(inRowIndex, inNodes, skipRenorm){ |
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| 254 | var rowNodes = []; |
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| 255 | for(var i=0, v, n, rowNode; (v=this.views[i])&&(n=inNodes[i]); i++){ |
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| 256 | rowNode = v.renderRow(inRowIndex); |
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| 257 | n.appendChild(rowNode); |
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| 258 | rowNodes.push(rowNode); |
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| 259 | } |
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| 260 | if(!skipRenorm){ |
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| 261 | this.normalizeRowNodeHeights(rowNodes); |
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| 262 | } |
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| 263 | }, |
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| 264 | |
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| 265 | rowRemoved: function(inRowIndex){ |
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| 266 | this.onEach("rowRemoved", [ inRowIndex ]); |
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| 267 | }, |
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| 268 | |
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| 269 | // updating |
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| 270 | updateRow: function(inRowIndex, skipRenorm){ |
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| 271 | for(var i=0, v; v=this.views[i]; i++){ |
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| 272 | v.updateRow(inRowIndex); |
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| 273 | } |
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| 274 | if(!skipRenorm){ |
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| 275 | this.renormalizeRow(inRowIndex); |
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| 276 | } |
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| 277 | }, |
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| 278 | |
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| 279 | updateRowStyles: function(inRowIndex){ |
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| 280 | this.onEach("updateRowStyles", [ inRowIndex ]); |
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| 281 | }, |
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| 282 | |
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| 283 | // scrolling |
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| 284 | setScrollTop: function(inTop){ |
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| 285 | var top = inTop; |
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| 286 | for(var i=0, v; v=this.views[i]; i++){ |
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| 287 | top = v.setScrollTop(inTop); |
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| 288 | // Work around IE not firing scroll events that cause header offset |
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| 289 | // issues to occur. |
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| 290 | if(has('ie') && v.headerNode && v.scrollboxNode){ |
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| 291 | v.headerNode.scrollLeft = v.scrollboxNode.scrollLeft; |
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| 292 | } |
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| 293 | } |
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| 294 | return top; |
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| 295 | //this.onEach("setScrollTop", [ inTop ]); |
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| 296 | }, |
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| 297 | |
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| 298 | getFirstScrollingView: function(){ |
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| 299 | // summary: |
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| 300 | // Returns the first grid view with a scroll bar |
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| 301 | for(var i=0, v; (v=this.views[i]); i++){ |
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| 302 | if(v.hasHScrollbar() || v.hasVScrollbar()){ |
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| 303 | return v; |
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| 304 | } |
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| 305 | } |
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| 306 | return null; |
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| 307 | } |
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| 308 | }); |
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| 309 | }); |
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