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<pre class="prettyprint lang-js">/*!
- * Ext JS Library 3.2.1
- * Copyright(c) 2006-2010 Ext JS, Inc.
- * licensing@extjs.com
- * http://www.extjs.com/license
+ * Ext JS Library 3.3.1
+ * Copyright(c) 2006-2010 Sencha Inc.
+ * licensing@sencha.com
+ * http://www.sencha.com/license
*/
<div id="cls-Ext.list.ColumnResizer"></div>/**
* @class Ext.list.ColumnResizer
},
handleHdMove : function(e, t){
- var hw = 5,
+ var handleWidth = 5,
x = e.getPageX(),
- hd = e.getTarget('em', 3, true);
- if(hd){
- var r = hd.getRegion(),
- ss = hd.dom.style,
- pn = hd.dom.parentNode;
+ header = e.getTarget('em', 3, true);
+ if(header){
+ var region = header.getRegion(),
+ style = header.dom.style,
+ parentNode = header.dom.parentNode;
- if(x - r.left <= hw && pn != pn.parentNode.firstChild){
- this.activeHd = Ext.get(pn.previousSibling.firstChild);
- ss.cursor = Ext.isWebKit ? 'e-resize' : 'col-resize';
- } else if(r.right - x <= hw && pn != pn.parentNode.lastChild.previousSibling){
- this.activeHd = hd;
- ss.cursor = Ext.isWebKit ? 'w-resize' : 'col-resize';
+ if(x - region.left <= handleWidth && parentNode != parentNode.parentNode.firstChild){
+ this.activeHd = Ext.get(parentNode.previousSibling.firstChild);
+ style.cursor = Ext.isWebKit ? 'e-resize' : 'col-resize';
+ } else if(region.right - x <= handleWidth && parentNode != parentNode.parentNode.lastChild.previousSibling){
+ this.activeHd = header;
+ style.cursor = Ext.isWebKit ? 'w-resize' : 'col-resize';
} else{
delete this.activeHd;
- ss.cursor = '';
+ style.cursor = '';
}
}
},
},
onStart: function(e){
- this.view.disableHeaders = true;
- this.proxy = this.view.el.createChild({cls:'x-list-resizer'});
- this.proxy.setHeight(this.view.el.getHeight());
-
- var x = this.tracker.getXY()[0],
- w = this.view.innerHd.getWidth();
-
- this.hdX = this.dragHd.getX();
- this.hdIndex = this.view.findHeaderIndex(this.dragHd);
-
- this.proxy.setX(this.hdX);
- this.proxy.setWidth(x-this.hdX);
-
- this.minWidth = w*this.minPct;
- this.maxWidth = w - (this.minWidth*(this.view.columns.length-1-this.hdIndex));
+
+ var me = this,
+ view = me.view,
+ dragHeader = me.dragHd,
+ x = me.tracker.getXY()[0];
+
+ me.proxy = view.el.createChild({cls:'x-list-resizer'});
+ me.dragX = dragHeader.getX();
+ me.headerIndex = view.findHeaderIndex(dragHeader);
+
+ me.headersDisabled = view.disableHeaders;
+ view.disableHeaders = true;
+
+ me.proxy.setHeight(view.el.getHeight());
+ me.proxy.setX(me.dragX);
+ me.proxy.setWidth(x - me.dragX);
+
+ this.setBoundaries();
+
+ },
+
+ // Sets up the boundaries for the drag/drop operation
+ setBoundaries: function(relativeX){
+ var view = this.view,
+ headerIndex = this.headerIndex,
+ width = view.innerHd.getWidth(),
+ relativeX = view.innerHd.getX(),
+ minWidth = Math.ceil(width * this.minPct),
+ maxWidth = width - minWidth,
+ numColumns = view.columns.length,
+ headers = view.innerHd.select('em', true),
+ minX = minWidth + relativeX,
+ maxX = maxWidth + relativeX,
+ header;
+
+ if (numColumns == 2) {
+ this.minX = minX;
+ this.maxX = maxX;
+ }else{
+ header = headers.item(headerIndex + 2);
+ this.minX = headers.item(headerIndex).getX() + minWidth;
+ this.maxX = header ? header.getX() - minWidth : maxX;
+ if (headerIndex == 0) {
+ // First
+ this.minX = minX;
+ } else if (headerIndex == numColumns - 2) {
+ // Last
+ this.maxX = maxX;
+ }
+ }
},
onDrag: function(e){
- var cursorX = this.tracker.getXY()[0];
- this.proxy.setWidth((cursorX-this.hdX).constrain(this.minWidth, this.maxWidth));
+ var me = this,
+ cursorX = me.tracker.getXY()[0].constrain(me.minX, me.maxX);
+
+ me.proxy.setWidth(cursorX - this.dragX);
},
onEnd: function(e){
/* calculate desired width by measuring proxy and then remove it */
- var nw = this.proxy.getWidth();
- this.proxy.remove();
+ var newWidth = this.proxy.getWidth(),
+ index = this.headerIndex,
+ view = this.view,
+ columns = view.columns,
+ width = view.innerHd.getWidth(),
+ newPercent = Math.ceil(newWidth * view.maxColumnWidth / width) / 100,
+ disabled = this.headersDisabled,
+ headerCol = columns[index],
+ otherCol = columns[index + 1],
+ totalPercent = headerCol.width + otherCol.width;
- var index = this.hdIndex,
- vw = this.view,
- cs = vw.columns,
- len = cs.length,
- w = this.view.innerHd.getWidth(),
- minPct = this.minPct * 100,
- pct = Math.ceil((nw * vw.maxWidth) / w),
- diff = (cs[index].width * 100) - pct,
- eachItem = Math.floor(diff / (len-1-index)),
- mod = diff - (eachItem * (len-1-index));
+ this.proxy.remove();
- for(var i = index+1; i < len; i++){
- var cw = (cs[i].width * 100) + eachItem,
- ncw = Math.max(minPct, cw);
- if(cw != ncw){
- mod += cw - ncw;
- }
- cs[i].width = ncw / 100;
- }
- cs[index].width = pct / 100;
- cs[index+1].width += (mod / 100);
+ headerCol.width = newPercent;
+ otherCol.width = totalPercent - newPercent;
+
delete this.dragHd;
- vw.setHdWidths();
- vw.refresh();
+ view.setHdWidths();
+ view.refresh();
+
setTimeout(function(){
- vw.disableHeaders = false;
+ view.disableHeaders = disabled;
}, 100);
}
});
git.ithinksw.org / extjs.git / blobdiff