[619] | 1 | /* |
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| 2 | * Ext JS Library 2.2.1 |
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| 3 | * Copyright(c) 2006-2009, Ext JS, LLC. |
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| 4 | * licensing@extjs.com |
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| 5 | * |
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| 6 | * http://extjs.com/license |
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| 7 | */ |
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| 8 | |
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| 9 | // private |
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| 10 | // This is a support class used internally by the Grid components |
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| 11 | Ext.grid.HeaderDragZone = function(grid, hd, hd2){ |
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| 12 | this.grid = grid; |
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| 13 | this.view = grid.getView(); |
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| 14 | this.ddGroup = "gridHeader" + this.grid.getGridEl().id; |
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| 15 | Ext.grid.HeaderDragZone.superclass.constructor.call(this, hd); |
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| 16 | if(hd2){ |
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| 17 | this.setHandleElId(Ext.id(hd)); |
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| 18 | this.setOuterHandleElId(Ext.id(hd2)); |
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| 19 | } |
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| 20 | this.scroll = false; |
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| 21 | }; |
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| 22 | Ext.extend(Ext.grid.HeaderDragZone, Ext.dd.DragZone, { |
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| 23 | maxDragWidth: 120, |
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| 24 | getDragData : function(e){ |
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| 25 | var t = Ext.lib.Event.getTarget(e); |
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| 26 | var h = this.view.findHeaderCell(t); |
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| 27 | if(h){ |
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| 28 | return {ddel: h.firstChild, header:h}; |
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| 29 | } |
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| 30 | return false; |
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| 31 | }, |
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| 32 | |
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| 33 | onInitDrag : function(e){ |
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| 34 | this.view.headersDisabled = true; |
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| 35 | var clone = this.dragData.ddel.cloneNode(true); |
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| 36 | clone.id = Ext.id(); |
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| 37 | clone.style.width = Math.min(this.dragData.header.offsetWidth,this.maxDragWidth) + "px"; |
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| 38 | this.proxy.update(clone); |
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| 39 | return true; |
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| 40 | }, |
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| 41 | |
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| 42 | afterValidDrop : function(){ |
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| 43 | var v = this.view; |
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| 44 | setTimeout(function(){ |
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| 45 | v.headersDisabled = false; |
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| 46 | }, 50); |
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| 47 | }, |
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| 48 | |
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| 49 | afterInvalidDrop : function(){ |
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| 50 | var v = this.view; |
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| 51 | setTimeout(function(){ |
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| 52 | v.headersDisabled = false; |
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| 53 | }, 50); |
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| 54 | } |
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| 55 | }); |
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| 56 | |
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| 57 | // private |
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| 58 | // This is a support class used internally by the Grid components |
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| 59 | Ext.grid.HeaderDropZone = function(grid, hd, hd2){ |
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| 60 | this.grid = grid; |
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| 61 | this.view = grid.getView(); |
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| 62 | // split the proxies so they don't interfere with mouse events |
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| 63 | this.proxyTop = Ext.DomHelper.append(document.body, { |
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| 64 | cls:"col-move-top", html:" " |
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| 65 | }, true); |
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| 66 | this.proxyBottom = Ext.DomHelper.append(document.body, { |
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| 67 | cls:"col-move-bottom", html:" " |
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| 68 | }, true); |
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| 69 | this.proxyTop.hide = this.proxyBottom.hide = function(){ |
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| 70 | this.setLeftTop(-100,-100); |
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| 71 | this.setStyle("visibility", "hidden"); |
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| 72 | }; |
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| 73 | this.ddGroup = "gridHeader" + this.grid.getGridEl().id; |
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| 74 | // temporarily disabled |
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| 75 | //Ext.dd.ScrollManager.register(this.view.scroller.dom); |
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| 76 | Ext.grid.HeaderDropZone.superclass.constructor.call(this, grid.getGridEl().dom); |
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| 77 | }; |
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| 78 | Ext.extend(Ext.grid.HeaderDropZone, Ext.dd.DropZone, { |
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| 79 | proxyOffsets : [-4, -9], |
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| 80 | fly: Ext.Element.fly, |
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| 81 | |
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| 82 | getTargetFromEvent : function(e){ |
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| 83 | var t = Ext.lib.Event.getTarget(e); |
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| 84 | var cindex = this.view.findCellIndex(t); |
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| 85 | if(cindex !== false){ |
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| 86 | return this.view.getHeaderCell(cindex); |
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| 87 | } |
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| 88 | }, |
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| 89 | |
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| 90 | nextVisible : function(h){ |
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| 91 | var v = this.view, cm = this.grid.colModel; |
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| 92 | h = h.nextSibling; |
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| 93 | while(h){ |
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| 94 | if(!cm.isHidden(v.getCellIndex(h))){ |
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| 95 | return h; |
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| 96 | } |
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| 97 | h = h.nextSibling; |
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| 98 | } |
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| 99 | return null; |
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| 100 | }, |
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| 101 | |
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| 102 | prevVisible : function(h){ |
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| 103 | var v = this.view, cm = this.grid.colModel; |
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| 104 | h = h.prevSibling; |
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| 105 | while(h){ |
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| 106 | if(!cm.isHidden(v.getCellIndex(h))){ |
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| 107 | return h; |
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| 108 | } |
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| 109 | h = h.prevSibling; |
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| 110 | } |
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| 111 | return null; |
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| 112 | }, |
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| 113 | |
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| 114 | positionIndicator : function(h, n, e){ |
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| 115 | var x = Ext.lib.Event.getPageX(e); |
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| 116 | var r = Ext.lib.Dom.getRegion(n.firstChild); |
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| 117 | var px, pt, py = r.top + this.proxyOffsets[1]; |
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| 118 | if((r.right - x) <= (r.right-r.left)/2){ |
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| 119 | px = r.right+this.view.borderWidth; |
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| 120 | pt = "after"; |
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| 121 | }else{ |
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| 122 | px = r.left; |
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| 123 | pt = "before"; |
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| 124 | } |
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| 125 | var oldIndex = this.view.getCellIndex(h); |
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| 126 | var newIndex = this.view.getCellIndex(n); |
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| 127 | |
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| 128 | if(this.grid.colModel.isFixed(newIndex)){ |
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| 129 | return false; |
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| 130 | } |
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| 131 | |
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| 132 | var locked = this.grid.colModel.isLocked(newIndex); |
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| 133 | |
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| 134 | if(pt == "after"){ |
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| 135 | newIndex++; |
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| 136 | } |
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| 137 | if(oldIndex < newIndex){ |
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| 138 | newIndex--; |
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| 139 | } |
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| 140 | if(oldIndex == newIndex && (locked == this.grid.colModel.isLocked(oldIndex))){ |
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| 141 | return false; |
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| 142 | } |
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| 143 | px += this.proxyOffsets[0]; |
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| 144 | this.proxyTop.setLeftTop(px, py); |
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| 145 | this.proxyTop.show(); |
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| 146 | if(!this.bottomOffset){ |
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| 147 | this.bottomOffset = this.view.mainHd.getHeight(); |
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| 148 | } |
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| 149 | this.proxyBottom.setLeftTop(px, py+this.proxyTop.dom.offsetHeight+this.bottomOffset); |
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| 150 | this.proxyBottom.show(); |
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| 151 | return pt; |
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| 152 | }, |
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| 153 | |
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| 154 | onNodeEnter : function(n, dd, e, data){ |
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| 155 | if(data.header != n){ |
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| 156 | this.positionIndicator(data.header, n, e); |
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| 157 | } |
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| 158 | }, |
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| 159 | |
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| 160 | onNodeOver : function(n, dd, e, data){ |
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| 161 | var result = false; |
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| 162 | if(data.header != n){ |
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| 163 | result = this.positionIndicator(data.header, n, e); |
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| 164 | } |
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| 165 | if(!result){ |
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| 166 | this.proxyTop.hide(); |
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| 167 | this.proxyBottom.hide(); |
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| 168 | } |
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| 169 | return result ? this.dropAllowed : this.dropNotAllowed; |
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| 170 | }, |
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| 171 | |
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| 172 | onNodeOut : function(n, dd, e, data){ |
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| 173 | this.proxyTop.hide(); |
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| 174 | this.proxyBottom.hide(); |
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| 175 | }, |
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| 176 | |
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| 177 | onNodeDrop : function(n, dd, e, data){ |
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| 178 | var h = data.header; |
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| 179 | if(h != n){ |
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| 180 | var cm = this.grid.colModel; |
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| 181 | var x = Ext.lib.Event.getPageX(e); |
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| 182 | var r = Ext.lib.Dom.getRegion(n.firstChild); |
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| 183 | var pt = (r.right - x) <= ((r.right-r.left)/2) ? "after" : "before"; |
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| 184 | var oldIndex = this.view.getCellIndex(h); |
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| 185 | var newIndex = this.view.getCellIndex(n); |
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| 186 | var locked = cm.isLocked(newIndex); |
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| 187 | if(pt == "after"){ |
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| 188 | newIndex++; |
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| 189 | } |
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| 190 | if(oldIndex < newIndex){ |
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| 191 | newIndex--; |
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| 192 | } |
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| 193 | if(oldIndex == newIndex && (locked == cm.isLocked(oldIndex))){ |
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| 194 | return false; |
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| 195 | } |
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| 196 | cm.setLocked(oldIndex, locked, true); |
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| 197 | cm.moveColumn(oldIndex, newIndex); |
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| 198 | this.grid.fireEvent("columnmove", oldIndex, newIndex); |
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| 199 | return true; |
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| 200 | } |
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| 201 | return false; |
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| 202 | } |
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| 203 | }); |
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| 204 | |
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| 205 | |
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| 206 | Ext.grid.GridView.ColumnDragZone = function(grid, hd){ |
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| 207 | Ext.grid.GridView.ColumnDragZone.superclass.constructor.call(this, grid, hd, null); |
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| 208 | this.proxy.el.addClass('x-grid3-col-dd'); |
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| 209 | }; |
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| 210 | |
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| 211 | Ext.extend(Ext.grid.GridView.ColumnDragZone, Ext.grid.HeaderDragZone, { |
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| 212 | handleMouseDown : function(e){ |
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| 213 | |
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| 214 | }, |
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| 215 | |
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| 216 | callHandleMouseDown : function(e){ |
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| 217 | Ext.grid.GridView.ColumnDragZone.superclass.handleMouseDown.call(this, e); |
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| 218 | } |
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| 219 | }); |
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