Upgrade to ExtJS 4.0.0 - Released 04/26/2011

[extjs.git] / src / view / TableChunker.js

diff --git a/src/view/TableChunker.js b/src/view/TableChunker.js
new file mode 100644 (file)
index 0000000..10f5cec
--- /dev/null
+++ b/src/view/TableChunker.js
@@ -0,0 +1,138 @@
+/**
+ * @class Ext.view.TableChunker
+ * 
+ * Produces optimized XTemplates for chunks of tables to be
+ * used in grids, trees and other table based widgets.
+ *
+ * @singleton
+ */
+Ext.define('Ext.view.TableChunker', {
+    singleton: true,
+    requires: ['Ext.XTemplate'],
+    metaTableTpl: [
+        '{[this.openTableWrap()]}',
+        '<table class="' + Ext.baseCSSPrefix + 'grid-table ' + Ext.baseCSSPrefix + 'grid-table-resizer" border="0" cellspacing="0" cellpadding="0" {[this.embedFullWidth()]}>',
+            '<tbody>',
+            '<tr>',
+            '<tpl for="columns">',
+                '<th class="' + Ext.baseCSSPrefix + 'grid-col-resizer-{id}" style="width: {width}px; height: 0px;"></th>',
+            '</tpl>',
+            '</tr>',
+            '{[this.openRows()]}',
+                '{row}',
+                '<tpl for="features">',
+                    '{[this.embedFeature(values, parent, xindex, xcount)]}',
+                '</tpl>',
+            '{[this.closeRows()]}',
+            '</tbody>',
+        '</table>',
+        '{[this.closeTableWrap()]}'
+    ],
+
+    constructor: function() {
+        Ext.XTemplate.prototype.recurse = function(values, reference) {
+            return this.apply(reference ? values[reference] : values);
+        };
+    },
+
+    embedFeature: function(values, parent, x, xcount) {
+        var tpl = '';
+        if (!values.disabled) {
+            tpl = values.getFeatureTpl(values, parent, x, xcount);
+        }
+        return tpl;
+    },
+
+    embedFullWidth: function() {
+        return 'style="width: {fullWidth}px;"';
+    },
+
+    openRows: function() {
+        return '<tpl for="rows">';
+    },
+
+    closeRows: function() {
+        return '</tpl>';
+    },
+
+    metaRowTpl: [
+        '<tr class="' + Ext.baseCSSPrefix + 'grid-row {addlSelector} {[this.embedRowCls()]}" {[this.embedRowAttr()]}>',
+            '<tpl for="columns">',
+                '<td class="{cls} ' + Ext.baseCSSPrefix + 'grid-cell ' + Ext.baseCSSPrefix + 'grid-cell-{columnId} {{id}-modified} {{id}-tdCls} {[this.firstOrLastCls(xindex, xcount)]}" {{id}-tdAttr}><div unselectable="on" class="' + Ext.baseCSSPrefix + 'grid-cell-inner ' + Ext.baseCSSPrefix + 'unselectable" style="{{id}-style}; text-align: {align};">{{id}}</div></td>',
+            '</tpl>',
+        '</tr>'
+    ],
+    
+    firstOrLastCls: function(xindex, xcount) {
+        var cssCls = '';
+        if (xindex === 1) {
+            cssCls = Ext.baseCSSPrefix + 'grid-cell-first';
+        } else if (xindex === xcount) {
+            cssCls = Ext.baseCSSPrefix + 'grid-cell-last';
+        }
+        return cssCls;
+    },
+    
+    embedRowCls: function() {
+        return '{rowCls}';
+    },
+    
+    embedRowAttr: function() {
+        return '{rowAttr}';
+    },
+    
+    openTableWrap: function() {
+        return '';
+    },
+    
+    closeTableWrap: function() {
+        return '';
+    },
+
+    getTableTpl: function(cfg, textOnly) {
+        var tpl,
+            tableTplMemberFns = {
+                openRows: this.openRows,
+                closeRows: this.closeRows,
+                embedFeature: this.embedFeature,
+                embedFullWidth: this.embedFullWidth,
+                openTableWrap: this.openTableWrap,
+                closeTableWrap: this.closeTableWrap
+            },
+            tplMemberFns = {},
+            features = cfg.features || [],
+            ln = features.length,
+            i  = 0,
+            memberFns = {
+                embedRowCls: this.embedRowCls,
+                embedRowAttr: this.embedRowAttr,
+                firstOrLastCls: this.firstOrLastCls
+            },
+            // copy the default
+            metaRowTpl = Array.prototype.slice.call(this.metaRowTpl, 0),
+            metaTableTpl;
+            
+        for (; i < ln; i++) {
+            if (!features[i].disabled) {
+                features[i].mutateMetaRowTpl(metaRowTpl);
+                Ext.apply(memberFns, features[i].getMetaRowTplFragments());
+                Ext.apply(tplMemberFns, features[i].getFragmentTpl());
+                Ext.apply(tableTplMemberFns, features[i].getTableFragments());
+            }
+        }
+        
+        metaRowTpl = Ext.create('Ext.XTemplate', metaRowTpl.join(''), memberFns);
+        cfg.row = metaRowTpl.applyTemplate(cfg);
+        
+        metaTableTpl = Ext.create('Ext.XTemplate', this.metaTableTpl.join(''), tableTplMemberFns);
+        
+        tpl = metaTableTpl.applyTemplate(cfg);
+        
+        // TODO: Investigate eliminating.
+        if (!textOnly) {
+            tpl = Ext.create('Ext.XTemplate', tpl, tplMemberFns);
+        }
+        return tpl;
+        
+    }
+});