X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/25ef3491bd9ae007ff1fc2b0d7943e6eaaccf775..HEAD:/docs/source/ColumnLayout.html diff --git a/docs/source/ColumnLayout.html b/docs/source/ColumnLayout.html index 1a6992dc..386abdf9 100644 --- a/docs/source/ColumnLayout.html +++ b/docs/source/ColumnLayout.html @@ -1,139 +1,227 @@ + + The source code - - + + + + - -
/*!
- * Ext JS Library 3.0.3
- * Copyright(c) 2006-2009 Ext JS, LLC
- * licensing@extjs.com
- * http://www.extjs.com/license
+
+  
/**
+ * @class Ext.grid.ColumnLayout
+ * @extends Ext.layout.container.HBox
+ * @private
+ *
+ * <p>This class is used only by the grid's HeaderContainer docked child.</p>
+ *
+ * <p>It adds the ability to shrink the vertical size of the inner container element back if a grouped
+ * column header has all its child columns dragged out, and the whole HeaderContainer needs to shrink back down.</p>
+ *
+ * <p>Also, after every layout, after all headers have attained their 'stretchmax' height, it goes through and calls
+ * <code>setPadding</code> on the columns so that they lay out correctly.</p>
  */
-
/** - * @class Ext.layout.ColumnLayout - * @extends Ext.layout.ContainerLayout - *

This is the layout style of choice for creating structural layouts in a multi-column format where the width of - * each column can be specified as a percentage or fixed width, but the height is allowed to vary based on the content. - * This class is intended to be extended or created via the layout:'column' {@link Ext.Container#layout} config, - * and should generally not need to be created directly via the new keyword.

- *

ColumnLayout does not have any direct config options (other than inherited ones), but it does support a - * specific config property of columnWidth that can be included in the config of any panel added to it. The - * layout will use the columnWidth (if present) or width of each panel during layout to determine how to size each panel. - * If width or columnWidth is not specified for a given panel, its width will default to the panel's width (or auto).

- *

The width property is always evaluated as pixels, and must be a number greater than or equal to 1. - * The columnWidth property is always evaluated as a percentage, and must be a decimal value greater than 0 and - * less than 1 (e.g., .25).

- *

The basic rules for specifying column widths are pretty simple. The logic makes two passes through the - * set of contained panels. During the first layout pass, all panels that either have a fixed width or none - * specified (auto) are skipped, but their widths are subtracted from the overall container width. During the second - * pass, all panels with columnWidths are assigned pixel widths in proportion to their percentages based on - * the total remaining container width. In other words, percentage width panels are designed to fill the space - * left over by all the fixed-width and/or auto-width panels. Because of this, while you can specify any number of columns - * with different percentages, the columnWidths must always add up to 1 (or 100%) when added together, otherwise your - * layout may not render as expected. Example usage:

- *

-// All columns are percentages -- they must add up to 1
-var p = new Ext.Panel({
-    title: 'Column Layout - Percentage Only',
-    layout:'column',
-    items: [{
-        title: 'Column 1',
-        columnWidth: .25 
-    },{
-        title: 'Column 2',
-        columnWidth: .6
-    },{
-        title: 'Column 3',
-        columnWidth: .15
-    }]
-});
-
-// Mix of width and columnWidth -- all columnWidth values must add up
-// to 1. The first column will take up exactly 120px, and the last two
-// columns will fill the remaining container width.
-var p = new Ext.Panel({
-    title: 'Column Layout - Mixed',
-    layout:'column',
-    items: [{
-        title: 'Column 1',
-        width: 120
-    },{
-        title: 'Column 2',
-        columnWidth: .8
-    },{
-        title: 'Column 3',
-        columnWidth: .2
-    }]
-});
-
- */ -Ext.layout.ColumnLayout = Ext.extend(Ext.layout.ContainerLayout, { - // private - monitorResize:true, - - extraCls: 'x-column', - - scrollOffset : 0, - - // private - isValidParent : function(c, target){ - return (c.getPositionEl ? c.getPositionEl() : c.getEl()).dom.parentNode == this.innerCt.dom; - }, - - // private - onLayout : function(ct, target){ - var cs = ct.items.items, len = cs.length, c, i; - - if(!this.innerCt){ - target.addClass('x-column-layout-ct'); - - // the innerCt prevents wrapping and shuffling while - // the container is resizing - this.innerCt = target.createChild({cls:'x-column-inner'}); - this.innerCt.createChild({cls:'x-clear'}); - } - this.renderAll(ct, this.innerCt); - - var size = Ext.isIE && target.dom != Ext.getBody().dom ? target.getStyleSize() : target.getViewSize(); - - if(size.width < 1 && size.height < 1){ // display none? - return; - } - - var w = size.width - target.getPadding('lr') - this.scrollOffset, - h = size.height - target.getPadding('tb'), - pw = w; - - this.innerCt.setWidth(w); - - // some columns can be percentages while others are fixed - // so we need to make 2 passes - - for(i = 0; i < len; i++){ - c = cs[i]; - if(!c.columnWidth){ - pw -= (c.getSize().width + c.getEl().getMargins('lr')); - } - } - - pw = pw < 0 ? 0 : pw; - - for(i = 0; i < len; i++){ - c = cs[i]; - if(c.columnWidth){ - c.setSize(Math.floor(c.columnWidth*pw) - c.getEl().getMargins('lr')); - } - } - } - -
/** - * @property activeItem - * @hide - */ -}); - -Ext.Container.LAYOUTS['column'] = Ext.layout.ColumnLayout;
+Ext.define('Ext.grid.ColumnLayout', { + extend: 'Ext.layout.container.HBox', + alias: 'layout.gridcolumn', + type : 'column', + + reserveOffset: false, + + shrinkToFit: false, + + // Height-stretched innerCt must be able to revert back to unstretched height + clearInnerCtOnLayout: true, + + beforeLayout: function() { + var me = this, + i = 0, + items = me.getLayoutItems(), + len = items.length, + item, returnValue, + s; + + // Scrollbar offset defined by width of any vertical scroller in the owning grid + if (!Ext.isDefined(me.availableSpaceOffset)) { + s = me.owner.up('tablepanel').verticalScroller; + me.availableSpaceOffset = s ? s.width-1 : 0; + } + + returnValue = me.callParent(arguments); + + // Size to a sane minimum height before possibly being stretched to accommodate grouped headers + me.innerCt.setHeight(23); + + // Unstretch child items before the layout which stretches them. + for (; i < len; i++) { + item = items[i]; + item.el.setStyle({ + height: 'auto' + }); + item.titleContainer.setStyle({ + height: 'auto', + paddingTop: '0' + }); + if (item.componentLayout && item.componentLayout.lastComponentSize) { + item.componentLayout.lastComponentSize.height = item.el.dom.offsetHeight; + } + } + return returnValue; + }, + + // Override to enforce the forceFit config. + calculateChildBoxes: function(visibleItems, targetSize) { + var me = this, + calculations = me.callParent(arguments), + boxes = calculations.boxes, + metaData = calculations.meta, + len = boxes.length, i = 0, box, item; + + if (targetSize.width && !me.isHeader) { + // If configured forceFit then all columns will be flexed + if (me.owner.forceFit) { + + for (; i < len; i++) { + box = boxes[i]; + item = box.component; + + // Set a sane minWidth for the Box layout to be able to squeeze flexed Headers down to. + item.minWidth = Ext.grid.plugin.HeaderResizer.prototype.minColWidth; + + // For forceFit, just use allocated width as the flex value, and the proportions + // will end up the same whatever HeaderContainer width they are being forced into. + item.flex = box.width; + } + + // Recalculate based upon all columns now being flexed instead of sized. + calculations = me.callParent(arguments); + } + else if (metaData.tooNarrow) { + targetSize.width = metaData.desiredSize; + } + } + + return calculations; + }, + + afterLayout: function() { + var me = this, + owner = me.owner, + topGrid, + bothHeaderCts, + otherHeaderCt, + thisHeight, + otherHeight, + modifiedGrid, + i = 0, + items, + len, + headerHeight; + + me.callParent(arguments); + + // Set up padding in items + if (!me.owner.hideHeaders) { + + // If this is one HeaderContainer of a pair in a side-by-side locking view, then find the height + // of the highest one, and sync the other one to that height. + if (owner.lockableInjected) { + topGrid = owner.up('tablepanel').up('tablepanel'); + bothHeaderCts = topGrid.query('headercontainer:not([isHeader])'); + otherHeaderCt = (bothHeaderCts[0] === owner) ? bothHeaderCts[1] : bothHeaderCts[0]; + + // Both sides must be rendered for this syncing operation to work. + if (!otherHeaderCt.rendered) { + return; + } + + // Get the height of the highest of both HeaderContainers + otherHeight = otherHeaderCt.layout.getRenderTarget().getViewSize().height; + if (!otherHeight) { + return; + } + thisHeight = this.getRenderTarget().getViewSize().height; + if (!thisHeight) { + return; + } + + // Prevent recursion back into here when the "other" grid, after adjusting to the new hight of its headerCt, attempts to inform its ownerCt + // Block the upward notification by flagging the top grid's component layout as busy. + topGrid.componentLayout.layoutBusy = true; + + // Assume that the correct header height is the height of this HeaderContainer + headerHeight = thisHeight; + + // Synch the height of the smaller HeaderContainer to the height of the highest one. + if (thisHeight > otherHeight) { + otherHeaderCt.layout.align = 'stretch'; + otherHeaderCt.setCalculatedSize(otherHeaderCt.getWidth(), owner.getHeight(), otherHeaderCt.ownerCt); + delete otherHeaderCt.layout.align; + modifiedGrid = otherHeaderCt.up('tablepanel'); + } else if (otherHeight > thisHeight) { + headerHeight = otherHeight; + this.align = 'stretch'; + owner.setCalculatedSize(owner.getWidth(), otherHeaderCt.getHeight(), owner.ownerCt); + delete this.align; + modifiedGrid = owner.up('tablepanel'); + } + topGrid.componentLayout.layoutBusy = false; + + // Gather all Header items across both Grids. + items = bothHeaderCts[0].layout.getLayoutItems().concat(bothHeaderCts[1].layout.getLayoutItems()); + } else { + headerHeight = this.getRenderTarget().getViewSize().height; + items = me.getLayoutItems(); + } + + len = items.length; + for (; i < len; i++) { + items[i].setPadding(headerHeight); + } + + // Size the View within the grid which has had its HeaderContainer entallened (That's a perfectly cromulent word BTW) + if (modifiedGrid) { + setTimeout(function() { + modifiedGrid.doLayout(); + }, 1); + } + } + }, + + // FIX: when flexing we actually don't have enough space as we would + // typically because of the scrollOffset on the GridView, must reserve this + updateInnerCtSize: function(tSize, calcs) { + var me = this, + extra; + + // Columns must not account for scroll offset + if (!me.isHeader) { + me.tooNarrow = calcs.meta.tooNarrow; + extra = (me.reserveOffset ? me.availableSpaceOffset : 0); + + if (calcs.meta.tooNarrow) { + tSize.width = calcs.meta.desiredSize + extra; + } else { + tSize.width += extra; + } + } + + return me.callParent(arguments); + }, + + doOwnerCtLayouts: function() { + var ownerCt = this.owner.ownerCt; + if (!ownerCt.componentLayout.layoutBusy) { + ownerCt.doComponentLayout(); + } + } +});
- \ No newline at end of file +