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- <pre class="prettyprint lang-js">/*!
- * Ext JS Library 3.3.1
- * Copyright(c) 2006-2010 Sencha Inc.
- * licensing@sencha.com
- * http://www.sencha.com/license
- */
-<div id="cls-Ext.layout.FormLayout"></div>/**
- * @class Ext.layout.FormLayout
- * @extends Ext.layout.AnchorLayout
- * <p>This layout manager is specifically designed for rendering and managing child Components of
- * {@link Ext.form.FormPanel forms}. It is responsible for rendering the labels of
- * {@link Ext.form.Field Field}s.</p>
- *
- * <p>This layout manager is used when a Container is configured with the <tt>layout:'form'</tt>
- * {@link Ext.Container#layout layout} config option, and should generally not need to be created directly
- * via the new keyword. See <tt><b>{@link Ext.Container#layout}</b></tt> for additional details.</p>
- *
- * <p>In an application, it will usually be preferrable to use a {@link Ext.form.FormPanel FormPanel}
- * (which is configured with FormLayout as its layout class by default) since it also provides built-in
- * functionality for {@link Ext.form.BasicForm#doAction loading, validating and submitting} the form.</p>
- *
- * <p>A {@link Ext.Container Container} <i>using</i> the FormLayout layout manager (e.g.
- * {@link Ext.form.FormPanel} or specifying <tt>layout:'form'</tt>) can also accept the following
- * layout-specific config properties:<div class="mdetail-params"><ul>
- * <li><b><tt>{@link Ext.form.FormPanel#hideLabels hideLabels}</tt></b></li>
- * <li><b><tt>{@link Ext.form.FormPanel#labelAlign labelAlign}</tt></b></li>
- * <li><b><tt>{@link Ext.form.FormPanel#labelPad labelPad}</tt></b></li>
- * <li><b><tt>{@link Ext.form.FormPanel#labelSeparator labelSeparator}</tt></b></li>
- * <li><b><tt>{@link Ext.form.FormPanel#labelWidth labelWidth}</tt></b></li>
- * </ul></div></p>
- *
- * <p>Any Component (including Fields) managed by FormLayout accepts the following as a config option:
- * <div class="mdetail-params"><ul>
- * <li><b><tt>{@link Ext.Component#anchor anchor}</tt></b></li>
- * </ul></div></p>
- *
- * <p>Any Component managed by FormLayout may be rendered as a form field (with an associated label) by
- * configuring it with a non-null <b><tt>{@link Ext.Component#fieldLabel fieldLabel}</tt></b>. Components configured
- * in this way may be configured with the following options which affect the way the FormLayout renders them:
- * <div class="mdetail-params"><ul>
- * <li><b><tt>{@link Ext.Component#clearCls clearCls}</tt></b></li>
- * <li><b><tt>{@link Ext.Component#fieldLabel fieldLabel}</tt></b></li>
- * <li><b><tt>{@link Ext.Component#hideLabel hideLabel}</tt></b></li>
- * <li><b><tt>{@link Ext.Component#itemCls itemCls}</tt></b></li>
- * <li><b><tt>{@link Ext.Component#labelSeparator labelSeparator}</tt></b></li>
- * <li><b><tt>{@link Ext.Component#labelStyle labelStyle}</tt></b></li>
- * </ul></div></p>
- *
- * <p>Example usage:</p>
- * <pre><code>
-// Required if showing validation messages
-Ext.QuickTips.init();
-
-// While you can create a basic Panel with layout:'form', practically
-// you should usually use a FormPanel to also get its form functionality
-// since it already creates a FormLayout internally.
-var form = new Ext.form.FormPanel({
- title: 'Form Layout',
- bodyStyle: 'padding:15px',
- width: 350,
- defaultType: 'textfield',
- defaults: {
- // applied to each contained item
- width: 230,
- msgTarget: 'side'
- },
- items: [{
- fieldLabel: 'First Name',
- name: 'first',
- allowBlank: false,
- {@link Ext.Component#labelSeparator labelSeparator}: ':' // override labelSeparator layout config
- },{
- fieldLabel: 'Last Name',
- name: 'last'
- },{
- fieldLabel: 'Email',
- name: 'email',
- vtype:'email'
- }, {
- xtype: 'textarea',
- hideLabel: true, // override hideLabels layout config
- name: 'msg',
- anchor: '100% -53'
- }
- ],
- buttons: [
- {text: 'Save'},
- {text: 'Cancel'}
- ],
- layoutConfig: {
- {@link #labelSeparator}: '~' // superseded by assignment below
- },
- // config options applicable to container when layout='form':
- hideLabels: false,
- labelAlign: 'left', // or 'right' or 'top'
- {@link Ext.form.FormPanel#labelSeparator labelSeparator}: '>>', // takes precedence over layoutConfig value
- labelWidth: 65, // defaults to 100
- labelPad: 8 // defaults to 5, must specify labelWidth to be honored
-});
-</code></pre>
- */
-Ext.layout.FormLayout = Ext.extend(Ext.layout.AnchorLayout, {
-
- <div id="cfg-Ext.layout.FormLayout-labelSeparator"></div>/**
- * @cfg {String} labelSeparator
- * See {@link Ext.form.FormPanel}.{@link Ext.form.FormPanel#labelSeparator labelSeparator}. Configuration
- * of this property at the <b>container</b> level takes precedence.
- */
- labelSeparator : ':',
-
- <div id="prop-Ext.layout.FormLayout-labelStyle"></div>/**
- * Read only. The CSS style specification string added to field labels in this layout if not
- * otherwise {@link Ext.Component#labelStyle specified by each contained field}.
- * @type String
- * @property labelStyle
- */
-
- <div id="cfg-Ext.layout.FormLayout-trackLabels"></div>/**
- * @cfg {Boolean} trackLabels
- * True to show/hide the field label when the field is hidden. Defaults to <tt>true</tt>.
- */
- trackLabels: true,
-
- type: 'form',
-
- onRemove: function(c){
- Ext.layout.FormLayout.superclass.onRemove.call(this, c);
- if(this.trackLabels){
- c.un('show', this.onFieldShow, this);
- c.un('hide', this.onFieldHide, this);
- }
- // check for itemCt, since we may be removing a fieldset or something similar
- var el = c.getPositionEl(),
- ct = c.getItemCt && c.getItemCt();
- if (c.rendered && ct) {
- if (el && el.dom) {
- el.insertAfter(ct);
- }
- Ext.destroy(ct);
- Ext.destroyMembers(c, 'label', 'itemCt');
- if (c.customItemCt) {
- Ext.destroyMembers(c, 'getItemCt', 'customItemCt');
- }
- }
- },
-
- // private
- setContainer : function(ct){
- Ext.layout.FormLayout.superclass.setContainer.call(this, ct);
- if(ct.labelAlign){
- ct.addClass('x-form-label-'+ct.labelAlign);
- }
-
- if(ct.hideLabels){
- Ext.apply(this, {
- labelStyle: 'display:none',
- elementStyle: 'padding-left:0;',
- labelAdjust: 0
- });
- }else{
- this.labelSeparator = Ext.isDefined(ct.labelSeparator) ? ct.labelSeparator : this.labelSeparator;
- ct.labelWidth = ct.labelWidth || 100;
- if(Ext.isNumber(ct.labelWidth)){
- var pad = Ext.isNumber(ct.labelPad) ? ct.labelPad : 5;
- Ext.apply(this, {
- labelAdjust: ct.labelWidth + pad,
- labelStyle: 'width:' + ct.labelWidth + 'px;',
- elementStyle: 'padding-left:' + (ct.labelWidth + pad) + 'px'
- });
- }
- if(ct.labelAlign == 'top'){
- Ext.apply(this, {
- labelStyle: 'width:auto;',
- labelAdjust: 0,
- elementStyle: 'padding-left:0;'
- });
- }
- }
- },
-
- // private
- isHide: function(c){
- return c.hideLabel || this.container.hideLabels;
- },
-
- onFieldShow: function(c){
- c.getItemCt().removeClass('x-hide-' + c.hideMode);
-
- // Composite fields will need to layout after the container is made visible
- if (c.isComposite) {
- c.doLayout();
- }
- },
-
- onFieldHide: function(c){
- c.getItemCt().addClass('x-hide-' + c.hideMode);
- },
-
- //private
- getLabelStyle: function(s){
- var ls = '', items = [this.labelStyle, s];
- for (var i = 0, len = items.length; i < len; ++i){
- if (items[i]){
- ls += items[i];
- if (ls.substr(-1, 1) != ';'){
- ls += ';';
- }
- }
- }
- return ls;
- },
-
- <div id="cfg-Ext.layout.FormLayout-fieldTpl"></div>/**
- * @cfg {Ext.Template} fieldTpl
- * A {@link Ext.Template#compile compile}d {@link Ext.Template} for rendering
- * the fully wrapped, labeled and styled form Field. Defaults to:</p><pre><code>
-new Ext.Template(
- '<div class="x-form-item {itemCls}" tabIndex="-1">',
- '<label for="{id}" style="{labelStyle}" class="x-form-item-label">{label}{labelSeparator}</label>',
- '<div class="x-form-element" id="x-form-el-{id}" style="{elementStyle}">',
- '</div><div class="{clearCls}"></div>',
- '</div>'
-);
-</code></pre>
- * <p>This may be specified to produce a different DOM structure when rendering form Fields.</p>
- * <p>A description of the properties within the template follows:</p><div class="mdetail-params"><ul>
- * <li><b><tt>itemCls</tt></b> : String<div class="sub-desc">The CSS class applied to the outermost div wrapper
- * that contains this field label and field element (the default class is <tt>'x-form-item'</tt> and <tt>itemCls</tt>
- * will be added to that). If supplied, <tt>itemCls</tt> at the field level will override the default <tt>itemCls</tt>
- * supplied at the container level.</div></li>
- * <li><b><tt>id</tt></b> : String<div class="sub-desc">The id of the Field</div></li>
- * <li><b><tt>{@link #labelStyle}</tt></b> : String<div class="sub-desc">
- * A CSS style specification string to add to the field label for this field (defaults to <tt>''</tt> or the
- * {@link #labelStyle layout's value for <tt>labelStyle</tt>}).</div></li>
- * <li><b><tt>label</tt></b> : String<div class="sub-desc">The text to display as the label for this
- * field (defaults to <tt>''</tt>)</div></li>
- * <li><b><tt>{@link #labelSeparator}</tt></b> : String<div class="sub-desc">The separator to display after
- * the text of the label for this field (defaults to a colon <tt>':'</tt> or the
- * {@link #labelSeparator layout's value for labelSeparator}). To hide the separator use empty string ''.</div></li>
- * <li><b><tt>elementStyle</tt></b> : String<div class="sub-desc">The styles text for the input element's wrapper.</div></li>
- * <li><b><tt>clearCls</tt></b> : String<div class="sub-desc">The CSS class to apply to the special clearing div
- * rendered directly after each form field wrapper (defaults to <tt>'x-form-clear-left'</tt>)</div></li>
- * </ul></div>
- * <p>Also see <tt>{@link #getTemplateArgs}</tt></p>
- */
-
- /**
- * @private
- *
- */
- renderItem : function(c, position, target){
- if(c && (c.isFormField || c.fieldLabel) && c.inputType != 'hidden'){
- var args = this.getTemplateArgs(c);
- if(Ext.isNumber(position)){
- position = target.dom.childNodes[position] || null;
- }
- if(position){
- c.itemCt = this.fieldTpl.insertBefore(position, args, true);
- }else{
- c.itemCt = this.fieldTpl.append(target, args, true);
- }
- if(!c.getItemCt){
- // Non form fields don't have getItemCt, apply it here
- // This will get cleaned up in onRemove
- Ext.apply(c, {
- getItemCt: function(){
- return c.itemCt;
- },
- customItemCt: true
- });
- }
- c.label = c.getItemCt().child('label.x-form-item-label');
- if(!c.rendered){
- c.render('x-form-el-' + c.id);
- }else if(!this.isValidParent(c, target)){
- Ext.fly('x-form-el-' + c.id).appendChild(c.getPositionEl());
- }
- if(this.trackLabels){
- if(c.hidden){
- this.onFieldHide(c);
- }
- c.on({
- scope: this,
- show: this.onFieldShow,
- hide: this.onFieldHide
- });
- }
- this.configureItem(c);
- }else {
- Ext.layout.FormLayout.superclass.renderItem.apply(this, arguments);
- }
- },
-
- <div id="method-Ext.layout.FormLayout-getTemplateArgs"></div>/**
- * <p>Provides template arguments for rendering the fully wrapped, labeled and styled form Field.</p>
- * <p>This method returns an object hash containing properties used by the layout's {@link #fieldTpl}
- * to create a correctly wrapped, labeled and styled form Field. This may be overriden to
- * create custom layouts. The properties which must be returned are:</p><div class="mdetail-params"><ul>
- * <li><b><tt>itemCls</tt></b> : String<div class="sub-desc">The CSS class applied to the outermost div wrapper
- * that contains this field label and field element (the default class is <tt>'x-form-item'</tt> and <tt>itemCls</tt>
- * will be added to that). If supplied, <tt>itemCls</tt> at the field level will override the default <tt>itemCls</tt>
- * supplied at the container level.</div></li>
- * <li><b><tt>id</tt></b> : String<div class="sub-desc">The id of the Field</div></li>
- * <li><b><tt>{@link #labelStyle}</tt></b> : String<div class="sub-desc">
- * A CSS style specification string to add to the field label for this field (defaults to <tt>''</tt> or the
- * {@link #labelStyle layout's value for <tt>labelStyle</tt>}).</div></li>
- * <li><b><tt>label</tt></b> : String<div class="sub-desc">The text to display as the label for this
- * field (defaults to the field's configured fieldLabel property)</div></li>
- * <li><b><tt>{@link #labelSeparator}</tt></b> : String<div class="sub-desc">The separator to display after
- * the text of the label for this field (defaults to a colon <tt>':'</tt> or the
- * {@link #labelSeparator layout's value for labelSeparator}). To hide the separator use empty string ''.</div></li>
- * <li><b><tt>elementStyle</tt></b> : String<div class="sub-desc">The styles text for the input element's wrapper.</div></li>
- * <li><b><tt>clearCls</tt></b> : String<div class="sub-desc">The CSS class to apply to the special clearing div
- * rendered directly after each form field wrapper (defaults to <tt>'x-form-clear-left'</tt>)</div></li>
- * </ul></div>
- * @param (Ext.form.Field} field The {@link Ext.form.Field Field} being rendered.
- * @return {Object} An object hash containing the properties required to render the Field.
- */
- getTemplateArgs: function(field) {
- var noLabelSep = !field.fieldLabel || field.hideLabel;
-
- return {
- id : field.id,
- label : field.fieldLabel,
- itemCls : (field.itemCls || this.container.itemCls || '') + (field.hideLabel ? ' x-hide-label' : ''),
- clearCls : field.clearCls || 'x-form-clear-left',
- labelStyle : this.getLabelStyle(field.labelStyle),
- elementStyle : this.elementStyle || '',
- labelSeparator: noLabelSep ? '' : (Ext.isDefined(field.labelSeparator) ? field.labelSeparator : this.labelSeparator)
- };
- },
-
- // private
- adjustWidthAnchor: function(value, c){
- if(c.label && !this.isHide(c) && (this.container.labelAlign != 'top')){
- var adjust = Ext.isIE6 || (Ext.isIE && !Ext.isStrict);
- return value - this.labelAdjust + (adjust ? -3 : 0);
- }
- return value;
- },
-
- adjustHeightAnchor : function(value, c){
- if(c.label && !this.isHide(c) && (this.container.labelAlign == 'top')){
- return value - c.label.getHeight();
- }
- return value;
- },
-
- // private
- isValidParent : function(c, target){
- return target && this.container.getEl().contains(c.getPositionEl());
- }
-
- <div id="prop-Ext.layout.FormLayout-activeItem"></div>/**
- * @property activeItem
- * @hide
- */
-});
-
-Ext.Container.LAYOUTS['form'] = Ext.layout.FormLayout;
-</pre>
-</body>
-</html>
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