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.SplitDragZone = 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.proxy = this.view.resizeProxy; |
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15 | Ext.grid.SplitDragZone.superclass.constructor.call(this, hd, |
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16 | "gridSplitters" + this.grid.getGridEl().id, { |
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17 | dragElId : Ext.id(this.proxy.dom), resizeFrame:false |
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18 | }); |
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19 | this.setHandleElId(Ext.id(hd)); |
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20 | this.setOuterHandleElId(Ext.id(hd2)); |
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21 | this.scroll = false; |
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22 | }; |
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23 | Ext.extend(Ext.grid.SplitDragZone, Ext.dd.DDProxy, { |
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24 | fly: Ext.Element.fly, |
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25 | |
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26 | b4StartDrag : function(x, y){ |
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27 | this.view.headersDisabled = true; |
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28 | this.proxy.setHeight(this.view.mainWrap.getHeight()); |
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29 | var w = this.cm.getColumnWidth(this.cellIndex); |
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30 | var minw = Math.max(w-this.grid.minColumnWidth, 0); |
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31 | this.resetConstraints(); |
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32 | this.setXConstraint(minw, 1000); |
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33 | this.setYConstraint(0, 0); |
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34 | this.minX = x - minw; |
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35 | this.maxX = x + 1000; |
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36 | this.startPos = x; |
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37 | Ext.dd.DDProxy.prototype.b4StartDrag.call(this, x, y); |
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38 | }, |
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39 | |
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40 | |
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41 | handleMouseDown : function(e){ |
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42 | ev = Ext.EventObject.setEvent(e); |
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43 | var t = this.fly(ev.getTarget()); |
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44 | if(t.hasClass("x-grid-split")){ |
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45 | this.cellIndex = this.view.getCellIndex(t.dom); |
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46 | this.split = t.dom; |
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47 | this.cm = this.grid.colModel; |
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48 | if(this.cm.isResizable(this.cellIndex) && !this.cm.isFixed(this.cellIndex)){ |
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49 | Ext.grid.SplitDragZone.superclass.handleMouseDown.apply(this, arguments); |
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50 | } |
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51 | } |
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52 | }, |
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53 | |
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54 | endDrag : function(e){ |
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55 | this.view.headersDisabled = false; |
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56 | var endX = Math.max(this.minX, Ext.lib.Event.getPageX(e)); |
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57 | var diff = endX - this.startPos; |
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58 | this.view.onColumnSplitterMoved(this.cellIndex, this.cm.getColumnWidth(this.cellIndex)+diff); |
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59 | }, |
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60 | |
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61 | autoOffset : function(){ |
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62 | this.setDelta(0,0); |
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63 | } |
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64 | }); |
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