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) {
+ f.onRender = f.onRender.createSequence(this.onRender);
+ f.onResize = f.onResize.createSequence(this.onResize);
+ 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;
+ }
+ if (this.nextSibling()) {
+ this.margins = '0 0 5 0';
+ }
+ }
+
+ this.resizeEl = this.el.wrap({
+ cls: 'x-form-element'
+ });
+ this.positionEl = this.itemCt = this.resizeEl.wrap({
+ cls: 'x-form-item '
+ });
+ this.actionMode = 'itemCt';
+
+// If we are 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 info we need to render the label.
+ 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)
+ onResize: function() {
+ this.el.setWidth(this.resizeEl.getWidth(true));
+ 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();
+ }
+ };
+})();
+
+
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