/*!
 * Ext JS Library 3.3.0
 * Copyright(c) 2006-2010 Ext JS, Inc.
 * licensing@extjs.com
 * http://www.extjs.com/license
 */
Ext.ns("Ext.ux");

/** * @class Ext.ux.FieldLabeler *

A plugin for Field Components which renders standard Ext form wrapping and labels * round the Field at render time regardless of the layout of the Container.

*

Usage:

*

    {
        xtype: 'combo',
        plugins: [ Ext.ux.FieldLabeler ],
        triggerAction: 'all',
        fieldLabel: 'Select type',
        store: typeStore
    }
 * 
*/ Ext.ux.FieldLabeler = (function(){ // Pulls a named property down from the first ancestor Container it's found in function getParentProperty(propName) { for (var p = this.ownerCt; p; p = p.ownerCt) { if (p[propName]) { return p[propName]; } } } return { // Add behaviour at important points in the Field's lifecycle. init: function(f) { // Replace the Field's onRender method with a sequence that calls the plugin's onRender after the Field's onRender f.onRender = f.onRender.createSequence(this.onRender); // We need to completely override the onResize method because of the complexity f.onResize = this.onResize; // Replace the Field's onDestroy method with a sequence that calls the plugin's onDestroy after the Field's onRender f.onDestroy = f.onDestroy.createSequence(this.onDestroy); }, onRender: function() { // Do nothing if being rendered by a form layout if (this.ownerCt) { if (this.ownerCt.layout instanceof Ext.layout.FormLayout) { return; } } this.resizeEl = (this.wrap || this.el).wrap({ cls: 'x-form-element', style: (Ext.isIE || Ext.isOpera) ? 'position:absolute;top:0;left:0;overflow:visible' : '' }); this.positionEl = this.itemCt = this.resizeEl.wrap({ cls: 'x-form-item ' }); if (this.nextSibling()) { this.margins = { top: 0, right: 0, bottom: this.positionEl.getMargins('b'), left: 0 }; } this.actionMode = 'itemCt'; // If our Container is hiding labels, then we're done! if (!Ext.isDefined(this.hideLabels)) { this.hideLabels = getParentProperty.call(this, "hideLabels"); } if (this.hideLabels) { this.resizeEl.setStyle('padding-left', '0px'); return; } // Collect the info we need to render the label from our Container. if (!Ext.isDefined(this.labelSeparator)) { this.labelSeparator = getParentProperty.call(this, "labelSeparator"); } if (!Ext.isDefined(this.labelPad)) { this.labelPad = getParentProperty.call(this, "labelPad"); } if (!Ext.isDefined(this.labelAlign)) { this.labelAlign = getParentProperty.call(this, "labelAlign") || 'left'; } this.itemCt.addClass('x-form-label-' + this.labelAlign); if(this.labelAlign == 'top'){ if (!this.labelWidth) { this.labelWidth = 'auto'; } this.resizeEl.setStyle('padding-left', '0px'); } else { if (!Ext.isDefined(this.labelWidth)) { this.labelWidth = getParentProperty.call(this, "labelWidth") || 100; } this.resizeEl.setStyle('padding-left', (this.labelWidth + (this.labelPad || 5)) + 'px'); this.labelWidth += 'px'; } this.label = this.itemCt.insertFirst({ tag: 'label', cls: 'x-form-item-label', style: { width: this.labelWidth }, html: this.fieldLabel + (this.labelSeparator || ':') }); }, // private // Ensure the input field is sized to fit in the content area of the resizeEl (to the right of its padding-left) // We perform all necessary sizing here. We do NOT call the current class's onResize because we need this control // we skip that and go up the hierarchy to Ext.form.Field onResize: function(w, h) { Ext.form.Field.prototype.onResize.apply(this, arguments); w -= this.resizeEl.getPadding('l'); if (this.getTriggerWidth) { this.wrap.setWidth(w); this.el.setWidth(w - this.getTriggerWidth()); } else { this.el.setWidth(w); } if (this.el.dom.tagName.toLowerCase() == 'textarea') { var h = this.resizeEl.getHeight(true); if (!this.hideLabels && (this.labelAlign == 'top')) { h -= this.label.getHeight(); } this.el.setHeight(h); } }, // private // Ensure that we clean up on destroy. onDestroy: function() { this.itemCt.remove(); } }; })();