X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/7a654f8d43fdb43d78b63d90528bed6e86b608cc..3789b528d8dd8aad4558e38e22d775bcab1cbd36:/docs/source/Column3.html
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+
+
+
+
+ The source code
+
+
+
+
+
+
+ /**
+ * @class Ext.tree.Column
+ * @extends Ext.grid.column.Column
+ *
+ * Provides indentation and folder structure markup for a Tree taking into account
+ * depth and position within the tree hierarchy.
+ *
+ * @private
+ */
+Ext.define('Ext.tree.Column', {
+ extend: 'Ext.grid.column.Column',
+ alias: 'widget.treecolumn',
+
+ initComponent: function() {
+ var origRenderer = this.renderer || this.defaultRenderer,
+ origScope = this.scope || window;
+
+ this.renderer = function(value, metaData, record, rowIdx, colIdx, store, view) {
+ var buf = [],
+ format = Ext.String.format,
+ depth = record.getDepth(),
+ treePrefix = Ext.baseCSSPrefix + 'tree-',
+ elbowPrefix = treePrefix + 'elbow-',
+ expanderCls = treePrefix + 'expander',
+ imgText = '<img src="{1}" class="{0}" />',
+ checkboxText= '<input type="button" role="checkbox" class="{0}" {1} />',
+ formattedValue = origRenderer.apply(origScope, arguments),
+ href = record.get('href'),
+ target = record.get('hrefTarget'),
+ cls = record.get('cls');
+
+ while (record) {
+ if (!record.isRoot() || (record.isRoot() && view.rootVisible)) {
+ if (record.getDepth() === depth) {
+ buf.unshift(format(imgText,
+ treePrefix + 'icon ' +
+ treePrefix + 'icon' + (record.get('icon') ? '-inline ' : (record.isLeaf() ? '-leaf ' : '-parent ')) +
+ (record.get('iconCls') || ''),
+ record.get('icon') || Ext.BLANK_IMAGE_URL
+ ));
+ if (record.get('checked') !== null) {
+ buf.unshift(format(
+ checkboxText,
+ (treePrefix + 'checkbox') + (record.get('checked') ? ' ' + treePrefix + 'checkbox-checked' : ''),
+ record.get('checked') ? 'aria-checked="true"' : ''
+ ));
+ if (record.get('checked')) {
+ metaData.tdCls += (' ' + Ext.baseCSSPrefix + 'tree-checked');
+ }
+ }
+ if (record.isLast()) {
+ if (record.isLeaf() || (record.isLoaded() && !record.hasChildNodes())) {
+ buf.unshift(format(imgText, (elbowPrefix + 'end'), Ext.BLANK_IMAGE_URL));
+ } else {
+ buf.unshift(format(imgText, (elbowPrefix + 'end-plus ' + expanderCls), Ext.BLANK_IMAGE_URL));
+ }
+
+ } else {
+ if (record.isLeaf() || (record.isLoaded() && !record.hasChildNodes())) {
+ buf.unshift(format(imgText, (treePrefix + 'elbow'), Ext.BLANK_IMAGE_URL));
+ } else {
+ buf.unshift(format(imgText, (elbowPrefix + 'plus ' + expanderCls), Ext.BLANK_IMAGE_URL));
+ }
+ }
+ } else {
+ if (record.isLast() || record.getDepth() === 0) {
+ buf.unshift(format(imgText, (elbowPrefix + 'empty'), Ext.BLANK_IMAGE_URL));
+ } else if (record.getDepth() !== 0) {
+ buf.unshift(format(imgText, (elbowPrefix + 'line'), Ext.BLANK_IMAGE_URL));
+ }
+ }
+ }
+ record = record.parentNode;
+ }
+ if (href) {
+ formattedValue = format('<a href="{0}" target="{1}">{2}</a>', href, target, formattedValue);
+ }
+ if (cls) {
+ metaData.tdCls += ' ' + cls;
+ }
+ return buf.join("") + formattedValue;
+ };
+ this.callParent(arguments);
+ },
+
+ defaultRenderer: function(value) {
+ return value;
+ }
+});
+
+