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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