| 1 | define(["dojo/_base/array", "dojo/_base/lang", "dojo/_base/declare", "dojo/dom", "dojo/dom-geometry", "dojo/_base/window", "dojo/on", "dojo/_base/event", "dojo/keys"], |
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| 2 | |
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| 3 | function(arr, lang, declare, dom, domGeometry, win, on, event, keys){ |
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| 4 | |
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| 5 | return declare("dojox.calendar.Touch", null, { |
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| 6 | |
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| 7 | // summary: |
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| 8 | // This plugin is managing the touch interactions on item renderers displayed by a calendar view. |
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| 9 | |
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| 10 | // touchStartEditingTimer: Integer |
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| 11 | // The delay of one touch over the renderer before setting the item in editing mode. |
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| 12 | touchStartEditingTimer: 500, |
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| 13 | |
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| 14 | // touchEndEditingTimer: Integer |
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| 15 | // The delay after which the item is leaving the editing mode after the previous editing gesture, in touch context. |
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| 16 | touchEndEditingTimer: 10000, |
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| 17 | |
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| 18 | postMixInProperties: function(){ |
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| 19 | |
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| 20 | this.on("rendererCreated", lang.hitch(this, function(irEvent){ |
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| 21 | |
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| 22 | var renderer = irEvent.renderer.renderer; |
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| 23 | |
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| 24 | this.own(on(renderer.domNode, "touchstart", lang.hitch(this, function(e){ |
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| 25 | this._onRendererTouchStart(e, renderer); |
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| 26 | }))); |
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| 27 | |
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| 28 | })); |
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| 29 | }, |
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| 30 | |
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| 31 | _onRendererTouchStart: function(e, renderer){ |
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| 32 | // tags: |
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| 33 | // private |
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| 34 | var p = this._edProps; |
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| 35 | |
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| 36 | if(p && p.endEditingTimer){ |
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| 37 | clearTimeout(p.endEditingTimer); |
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| 38 | p.endEditingTimer = null; |
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| 39 | } |
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| 40 | |
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| 41 | var theItem = renderer.item.item; |
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| 42 | |
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| 43 | if(p && p.endEditingTimer){ |
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| 44 | clearTimeout(p.endEditingTimer); |
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| 45 | p.endEditingTimer = null; |
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| 46 | } |
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| 47 | |
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| 48 | if(p != null && p.item != theItem){ |
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| 49 | // another item is edited. |
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| 50 | // stop previous item |
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| 51 | if(p.startEditingTimer){ |
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| 52 | clearTimeout(p.startEditingTimer); |
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| 53 | } |
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| 54 | |
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| 55 | this._endItemEditing("touch", false); |
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| 56 | p = null; |
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| 57 | |
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| 58 | } |
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| 59 | |
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| 60 | // initialize editing properties |
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| 61 | if(!p){ |
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| 62 | |
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| 63 | // register event listeners to manage gestures. |
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| 64 | var handles = []; |
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| 65 | |
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| 66 | handles.push(on(win.doc, "touchend", lang.hitch(this, this._docEditingTouchEndHandler))); |
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| 67 | handles.push(on(this.itemContainer, "touchmove", lang.hitch(this, this._docEditingTouchMoveHandler))); |
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| 68 | |
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| 69 | this._setEditingProperties({ |
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| 70 | touchMoved: false, |
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| 71 | item: theItem, |
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| 72 | renderer: renderer, |
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| 73 | rendererKind: renderer.rendererKind, |
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| 74 | event: e, |
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| 75 | handles: handles, |
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| 76 | liveLayout: this.liveLayout |
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| 77 | }); |
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| 78 | |
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| 79 | p = this._edProps; |
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| 80 | } |
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| 81 | |
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| 82 | if(this._isEditing){ |
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| 83 | |
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| 84 | // get info on touches |
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| 85 | lang.mixin(p, this._getTouchesOnRenderers(e, p.editedItem)); |
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| 86 | |
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| 87 | // start an editing gesture. |
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| 88 | this._startTouchItemEditingGesture(e); |
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| 89 | |
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| 90 | } else { |
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| 91 | |
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| 92 | // initial touch that will trigger or not the editing |
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| 93 | |
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| 94 | if(e.touches.length > 1){ |
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| 95 | event.stop(e); |
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| 96 | return; |
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| 97 | } |
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| 98 | |
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| 99 | // set the selection state without dispatching (on touch end) after a short amount of time. |
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| 100 | // to allow a bit of time to scroll without selecting (graphically at least) |
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| 101 | this._touchSelectionTimer = setTimeout(lang.hitch(this, function(){ |
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| 102 | |
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| 103 | this._saveSelectedItems = this.get("selectedItems"); |
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| 104 | |
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| 105 | var changed = this.selectFromEvent(e, theItem._item, renderer, false); |
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| 106 | |
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| 107 | if(changed){ |
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| 108 | this._pendingSelectedItem = theItem; |
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| 109 | }else{ |
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| 110 | delete this._saveSelectedItems; |
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| 111 | } |
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| 112 | this._touchSelectionTimer = null; |
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| 113 | }), 200); |
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| 114 | |
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| 115 | p.start = {x: e.touches[0].screenX, y: e.touches[0].screenY}; |
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| 116 | |
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| 117 | if(this.isItemEditable(p.item, p.rendererKind)){ |
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| 118 | |
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| 119 | // editing gesture timer |
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| 120 | this._edProps.startEditingTimer = setTimeout(lang.hitch(this, function(){ |
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| 121 | |
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| 122 | // we are editing, so the item *must* be selected. |
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| 123 | if(this._touchSelectionTimer){ |
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| 124 | clearTimeout(this._touchSelectionTimer); |
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| 125 | delete this._touchSelectionTime; |
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| 126 | } |
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| 127 | if(this._pendingSelectedItem){ |
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| 128 | this.dispatchChange(this._saveSelectedItems == null ? null : this._saveSelectedItems[0], this._pendingSelectedItem, null, e); |
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| 129 | delete this._saveSelectedItems; |
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| 130 | delete this._pendingSelectedItem; |
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| 131 | }else{ |
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| 132 | this.selectFromEvent(e, theItem._item, renderer); |
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| 133 | } |
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| 134 | |
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| 135 | this._startItemEditing(p.item, "touch", e); |
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| 136 | |
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| 137 | p.moveTouchIndex = 0; |
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| 138 | |
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| 139 | // A move gesture is initiated even if we don't move |
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| 140 | this._startItemEditingGesture([this.getTime(e)], "move", "touch", e); |
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| 141 | |
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| 142 | }), this.touchStartEditingTimer); |
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| 143 | |
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| 144 | } |
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| 145 | } |
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| 146 | }, |
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| 147 | |
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| 148 | _docEditingTouchMoveHandler: function(e){ |
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| 149 | // tags: |
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| 150 | // private |
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| 151 | var p = this._edProps; |
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| 152 | |
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| 153 | // When the screen is touched, it can dispatch move events if the |
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| 154 | // user press the finger a little more... |
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| 155 | var touch = {x: e.touches[0].screenX, y: e.touches[0].screenY}; |
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| 156 | if(p.startEditingTimer && |
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| 157 | (Math.abs(touch.x - p.start.x) > 25 || |
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| 158 | Math.abs(touch.y - p.start.y) > 25)) { |
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| 159 | |
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| 160 | // scroll use case, do not edit |
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| 161 | clearTimeout(p.startEditingTimer); |
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| 162 | p.startEditingTimer = null; |
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| 163 | |
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| 164 | clearTimeout(this._touchSelectionTimer); |
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| 165 | this._touchSelectionTimer = null; |
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| 166 | |
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| 167 | if(this._pendingSelectedItem){ |
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| 168 | delete this._pendingSelectedItem; |
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| 169 | this.selectFromEvent(e, null, null, false); |
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| 170 | } |
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| 171 | } |
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| 172 | |
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| 173 | p.touchMoved = true; |
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| 174 | |
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| 175 | if(this._editingGesture){ |
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| 176 | |
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| 177 | event.stop(e); |
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| 178 | |
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| 179 | if(p.itemBeginDispatched){ |
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| 180 | |
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| 181 | var times = []; |
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| 182 | var d = p.editKind == "resizeEnd" ? p.editedItem.endTime : p.editedItem.startTime; |
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| 183 | |
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| 184 | switch(p.editKind){ |
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| 185 | case "move": |
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| 186 | var touchIndex = p.moveTouchIndex == null || p.moveTouchIndex < 0 ? 0 : p.moveTouchIndex; |
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| 187 | times[0] = this.getTime(e, -1, -1, touchIndex); |
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| 188 | break; |
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| 189 | case "resizeStart": |
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| 190 | times[0] = this.getTime(e, -1, -1, p.resizeStartTouchIndex); |
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| 191 | break; |
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| 192 | case "resizeEnd": |
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| 193 | times[0] = this.getTime(e, -1, -1, p.resizeEndTouchIndex); |
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| 194 | break; |
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| 195 | case "resizeBoth": |
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| 196 | times[0] = this.getTime(e, -1, -1, p.resizeStartTouchIndex); |
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| 197 | times[1] = this.getTime(e, -1, -1, p.resizeEndTouchIndex); |
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| 198 | break; |
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| 199 | } |
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| 200 | |
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| 201 | this._moveOrResizeItemGesture(times, "touch", e); |
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| 202 | |
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| 203 | if(p.editKind == "move"){ |
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| 204 | if(this.renderData.dateModule.compare(p.editedItem.startTime, d) == -1){ |
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| 205 | this.ensureVisibility(p.editedItem.startTime, p.editedItem.endTime, "start", this.autoScrollTouchMargin); |
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| 206 | }else{ |
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| 207 | this.ensureVisibility(p.editedItem.startTime, p.editedItem.endTime, "end", this.autoScrollTouchMargin); |
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| 208 | } |
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| 209 | }else if(e.editKind == "resizeStart" || e.editKind == "resizeBoth"){ |
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| 210 | this.ensureVisibility(p.editedItem.startTime, p.editedItem.endTime, "start", this.autoScrollTouchMargin); |
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| 211 | }else{ |
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| 212 | this.ensureVisibility(p.editedItem.startTime, p.editedItem.endTime, "end", this.autoScrollTouchMargin); |
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| 213 | } |
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| 214 | |
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| 215 | } |
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| 216 | } // else scroll, if any, is delegated to sub class |
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| 217 | |
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| 218 | }, |
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| 219 | |
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| 220 | // autoScrollTouchMargin: Integer |
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| 221 | // The minimum number of minutes of margin around the edited event. |
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| 222 | autoScrollTouchMargin: 10, |
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| 223 | |
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| 224 | _docEditingTouchEndHandler: function(e){ |
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| 225 | // tags: |
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| 226 | // private |
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| 227 | event.stop(e); |
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| 228 | |
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| 229 | var p = this._edProps; |
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| 230 | |
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| 231 | if(p.startEditingTimer){ |
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| 232 | clearTimeout(p.startEditingTimer); |
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| 233 | p.startEditingTimer = null; |
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| 234 | } |
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| 235 | |
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| 236 | if(this._isEditing){ |
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| 237 | |
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| 238 | lang.mixin(p, this._getTouchesOnRenderers(e, p.editedItem)); |
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| 239 | |
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| 240 | if(this._editingGesture){ |
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| 241 | |
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| 242 | if(p.touchesLen == 0){ |
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| 243 | |
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| 244 | // all touches were removed => end of editing gesture |
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| 245 | this._endItemEditingGesture("touch", e); |
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| 246 | |
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| 247 | if(this.touchEndEditingTimer > 0){ |
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| 248 | |
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| 249 | // Timer that trigger the end of the item editing mode. |
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| 250 | p.endEditingTimer = setTimeout(lang.hitch(this, function(){ |
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| 251 | |
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| 252 | this._endItemEditing("touch", false); |
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| 253 | |
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| 254 | }), this.touchEndEditingTimer); |
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| 255 | } // else validation must be explicit |
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| 256 | |
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| 257 | }else{ |
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| 258 | |
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| 259 | if(this._editingGesture){ |
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| 260 | this._endItemEditingGesture("touch", e); |
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| 261 | } |
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| 262 | // there touches of interest on item, process them. |
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| 263 | this._startTouchItemEditingGesture(e); |
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| 264 | } |
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| 265 | } |
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| 266 | |
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| 267 | }else if(!p.touchMoved){ |
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| 268 | |
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| 269 | event.stop(e); |
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| 270 | |
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| 271 | arr.forEach(p.handles, function(handle){ |
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| 272 | handle.remove(); |
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| 273 | }); |
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| 274 | |
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| 275 | if(this._touchSelectionTimer){ |
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| 276 | // selection timer was not reached to a proper selection. |
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| 277 | clearTimeout(this._touchSelectionTimer); |
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| 278 | this.selectFromEvent(e, p.item._item, p.renderer, true); |
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| 279 | |
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| 280 | }else if(this._pendingSelectedItem){ |
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| 281 | // selection timer was reached, dispatch change event |
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| 282 | this.dispatchChange(this._saveSelectedItems.length == 0 ? null : this._saveSelectedItems[0], |
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| 283 | this._pendingSelectedItem, null, e); // todo renderer ? |
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| 284 | delete this._saveSelectedItems; |
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| 285 | delete this._pendingSelectedItem; |
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| 286 | } |
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| 287 | |
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| 288 | if(this._pendingDoubleTap && this._pendingDoubleTap.item == p.item){ |
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| 289 | this._onItemDoubleClick({ |
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| 290 | triggerEvent: e, |
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| 291 | renderer: p.renderer, |
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| 292 | item: p.item._item |
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| 293 | }); |
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| 294 | |
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| 295 | clearTimeout(this._pendingDoubleTap.timer); |
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| 296 | |
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| 297 | delete this._pendingDoubleTap; |
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| 298 | |
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| 299 | }else{ |
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| 300 | |
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| 301 | this._pendingDoubleTap = { |
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| 302 | item: p.item, |
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| 303 | timer: setTimeout(lang.hitch(this, function(){ |
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| 304 | delete this._pendingDoubleTap; |
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| 305 | }), this.doubleTapDelay) |
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| 306 | }; |
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| 307 | |
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| 308 | this._onItemClick({ |
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| 309 | triggerEvent: e, |
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| 310 | renderer: p.renderer, |
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| 311 | item: p.item._item |
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| 312 | }); |
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| 313 | } |
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| 314 | |
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| 315 | this._edProps = null; |
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| 316 | |
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| 317 | }else{ |
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| 318 | // scroll view has finished. |
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| 319 | |
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| 320 | if(this._saveSelectedItems){ |
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| 321 | |
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| 322 | // selection without dipatching was done, but the view scrolled, |
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| 323 | // so revert last selection |
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| 324 | this.set("selectedItems", this._saveSelectedItems); |
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| 325 | delete this._saveSelectedItems; |
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| 326 | delete this._pendingSelectedItem; |
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| 327 | } |
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| 328 | |
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| 329 | arr.forEach(p.handles, function(handle){ |
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| 330 | handle.remove(); |
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| 331 | }); |
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| 332 | |
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| 333 | this._edProps = null; |
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| 334 | } |
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| 335 | }, |
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| 336 | |
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| 337 | _startTouchItemEditingGesture: function(e){ |
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| 338 | // summary: |
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| 339 | // Determines if a editing gesture is starting according to touches. |
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| 340 | // tags: |
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| 341 | // private |
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| 342 | |
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| 343 | var p = this._edProps; |
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| 344 | |
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| 345 | var fromResizeStart = p.resizeStartTouchIndex != -1; |
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| 346 | var fromResizeEnd = p.resizeEndTouchIndex != -1; |
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| 347 | |
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| 348 | if(fromResizeStart && fromResizeEnd || // initial gesture using two touches |
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| 349 | this._editingGesture && p.touchesLen == 2 && |
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| 350 | (fromResizeEnd && p.editKind == "resizeStart" || |
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| 351 | fromResizeStart && p.editKind =="resizeEnd")){ // gesture one after the other touch |
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| 352 | |
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| 353 | if(this._editingGesture && p.editKind != "resizeBoth"){ // stop ongoing gesture |
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| 354 | this._endItemEditingGesture("touch", e); |
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| 355 | } |
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| 356 | |
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| 357 | p.editKind = "resizeBoth"; |
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| 358 | |
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| 359 | this._startItemEditingGesture([this.getTime(e, -1, -1, p.resizeStartTouchIndex), |
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| 360 | this.getTime(e, -1, -1, p.resizeEndTouchIndex)], |
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| 361 | p.editKind, "touch", e); |
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| 362 | |
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| 363 | }else if(fromResizeStart && p.touchesLen == 1 && !this._editingGesture){ |
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| 364 | |
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| 365 | this._startItemEditingGesture([this.getTime(e, -1, -1, p.resizeStartTouchIndex)], |
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| 366 | "resizeStart", "touch", e); |
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| 367 | |
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| 368 | }else if(fromResizeEnd && p.touchesLen == 1 && !this._editingGesture){ |
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| 369 | |
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| 370 | this._startItemEditingGesture([this.getTime(e, -1, -1, p.resizeEndTouchIndex)], |
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| 371 | "resizeEnd", "touch", e); |
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| 372 | |
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| 373 | } else { |
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| 374 | // A move gesture is initiated even if we don't move |
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| 375 | this._startItemEditingGesture([this.getTime(e)], "move", "touch", e); |
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| 376 | } |
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| 377 | }, |
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| 378 | |
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| 379 | _getTouchesOnRenderers: function(e, item){ |
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| 380 | // summary: |
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| 381 | // Returns the touch indices that are on a editing handles or body of the renderers |
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| 382 | // tags: |
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| 383 | // private |
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| 384 | // item: Object |
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| 385 | // The render item. |
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| 386 | // e: Event |
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| 387 | // The touch event. |
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| 388 | // tags: |
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| 389 | // private |
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| 390 | |
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| 391 | var irs = this._getStartEndRenderers(item); |
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| 392 | |
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| 393 | var resizeStartTouchIndex = -1; |
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| 394 | var resizeEndTouchIndex = -1; |
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| 395 | var moveTouchIndex = -1; |
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| 396 | var hasResizeStart = irs[0] != null && irs[0].resizeStartHandle != null; |
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| 397 | var hasResizeEnd = irs[1] != null && irs[1].resizeEndHandle != null; |
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| 398 | var len = 0; |
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| 399 | var touched = false; |
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| 400 | var list = this.itemToRenderer[item.id]; |
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| 401 | |
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| 402 | for(var i=0; i<e.touches.length; i++){ |
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| 403 | |
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| 404 | if(resizeStartTouchIndex == -1 && hasResizeStart){ |
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| 405 | touched = dom.isDescendant(e.touches[i].target, irs[0].resizeStartHandle); |
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| 406 | if(touched){ |
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| 407 | resizeStartTouchIndex = i; |
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| 408 | len++; |
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| 409 | } |
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| 410 | } |
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| 411 | |
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| 412 | if(resizeEndTouchIndex == -1 && hasResizeEnd){ |
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| 413 | touched = dom.isDescendant(e.touches[i].target, irs[1].resizeEndHandle); |
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| 414 | if(touched){ |
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| 415 | resizeEndTouchIndex = i; |
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| 416 | len++; |
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| 417 | } |
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| 418 | } |
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| 419 | |
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| 420 | if(resizeStartTouchIndex == -1 && resizeEndTouchIndex == -1){ |
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| 421 | |
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| 422 | for (var j=0; j<list.length; j++){ |
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| 423 | touched = dom.isDescendant(e.touches[i].target, list[j].container); |
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| 424 | if(touched){ |
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| 425 | moveTouchIndex = i; |
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| 426 | len++; |
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| 427 | break; |
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| 428 | } |
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| 429 | } |
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| 430 | } |
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| 431 | |
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| 432 | if(resizeStartTouchIndex != -1 && resizeEndTouchIndex != -1 && moveTouchIndex != -1){ |
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| 433 | // all touches of interest were found, ignore other ones. |
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| 434 | break; |
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| 435 | } |
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| 436 | } |
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| 437 | |
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| 438 | return { |
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| 439 | touchesLen: len, |
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| 440 | resizeStartTouchIndex: resizeStartTouchIndex, |
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| 441 | resizeEndTouchIndex: resizeEndTouchIndex, |
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| 442 | moveTouchIndex: moveTouchIndex |
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| 443 | }; |
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| 444 | } |
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| 445 | |
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| 446 | }); |
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| 447 | |
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| 448 | }); |
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