3 * Copyright(c) 2006-2009 Ext JS, LLC
5 * http://www.extjs.com/license
8 // This is a support class used internally by the Grid components
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9 Ext.grid.HeaderDragZone = Ext.extend(Ext.dd.DragZone, {
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12 constructor : function(grid, hd, hd2){
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14 this.view = grid.getView();
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15 this.ddGroup = "gridHeader" + this.grid.getGridEl().id;
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16 Ext.grid.HeaderDragZone.superclass.constructor.call(this, hd);
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18 this.setHandleElId(Ext.id(hd));
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19 this.setOuterHandleElId(Ext.id(hd2));
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21 this.scroll = false;
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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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28 return {ddel: h.firstChild, header:h};
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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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42 afterValidDrop : function(){
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44 setTimeout(function(){
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45 v.headersDisabled = false;
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49 afterInvalidDrop : function(){
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51 setTimeout(function(){
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52 v.headersDisabled = false;
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58 // This is a support class used internally by the Grid components
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59 Ext.grid.HeaderDropZone = Ext.extend(Ext.dd.DropZone, {
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60 proxyOffsets : [-4, -9],
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61 fly: Ext.Element.fly,
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63 constructor : function(grid, hd, hd2){
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65 this.view = grid.getView();
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66 // split the proxies so they don't interfere with mouse events
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67 this.proxyTop = Ext.DomHelper.append(document.body, {
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68 cls:"col-move-top", html:" "
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70 this.proxyBottom = Ext.DomHelper.append(document.body, {
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71 cls:"col-move-bottom", html:" "
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73 this.proxyTop.hide = this.proxyBottom.hide = function(){
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74 this.setLeftTop(-100,-100);
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75 this.setStyle("visibility", "hidden");
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77 this.ddGroup = "gridHeader" + this.grid.getGridEl().id;
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78 // temporarily disabled
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79 //Ext.dd.ScrollManager.register(this.view.scroller.dom);
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80 Ext.grid.HeaderDropZone.superclass.constructor.call(this, grid.getGridEl().dom);
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83 getTargetFromEvent : function(e){
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84 var t = Ext.lib.Event.getTarget(e);
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85 var cindex = this.view.findCellIndex(t);
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86 if(cindex !== false){
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87 return this.view.getHeaderCell(cindex);
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91 nextVisible : function(h){
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92 var v = this.view, cm = this.grid.colModel;
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95 if(!cm.isHidden(v.getCellIndex(h))){
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103 prevVisible : function(h){
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104 var v = this.view, cm = this.grid.colModel;
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107 if(!cm.isHidden(v.getCellIndex(h))){
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115 positionIndicator : function(h, n, e){
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116 var x = Ext.lib.Event.getPageX(e);
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117 var r = Ext.lib.Dom.getRegion(n.firstChild);
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118 var px, pt, py = r.top + this.proxyOffsets[1];
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119 if((r.right - x) <= (r.right-r.left)/2){
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120 px = r.right+this.view.borderWidth;
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127 if(this.grid.colModel.isFixed(this.view.getCellIndex(n))){
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131 px += this.proxyOffsets[0];
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132 this.proxyTop.setLeftTop(px, py);
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133 this.proxyTop.show();
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134 if(!this.bottomOffset){
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135 this.bottomOffset = this.view.mainHd.getHeight();
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137 this.proxyBottom.setLeftTop(px, py+this.proxyTop.dom.offsetHeight+this.bottomOffset);
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138 this.proxyBottom.show();
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142 onNodeEnter : function(n, dd, e, data){
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143 if(data.header != n){
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144 this.positionIndicator(data.header, n, e);
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148 onNodeOver : function(n, dd, e, data){
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149 var result = false;
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150 if(data.header != n){
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151 result = this.positionIndicator(data.header, n, e);
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154 this.proxyTop.hide();
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155 this.proxyBottom.hide();
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157 return result ? this.dropAllowed : this.dropNotAllowed;
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160 onNodeOut : function(n, dd, e, data){
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161 this.proxyTop.hide();
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162 this.proxyBottom.hide();
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165 onNodeDrop : function(n, dd, e, data){
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166 var h = data.header;
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168 var cm = this.grid.colModel;
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169 var x = Ext.lib.Event.getPageX(e);
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170 var r = Ext.lib.Dom.getRegion(n.firstChild);
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171 var pt = (r.right - x) <= ((r.right-r.left)/2) ? "after" : "before";
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172 var oldIndex = this.view.getCellIndex(h);
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173 var newIndex = this.view.getCellIndex(n);
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177 if(oldIndex < newIndex){
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180 cm.moveColumn(oldIndex, newIndex);
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187 Ext.grid.GridView.ColumnDragZone = Ext.extend(Ext.grid.HeaderDragZone, {
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189 constructor : function(grid, hd){
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190 Ext.grid.GridView.ColumnDragZone.superclass.constructor.call(this, grid, hd, null);
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191 this.proxy.el.addClass('x-grid3-col-dd');
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194 handleMouseDown : function(e){
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197 callHandleMouseDown : function(e){
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198 Ext.grid.GridView.ColumnDragZone.superclass.handleMouseDown.call(this, e);
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