X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/530ef4b6c5b943cfa68b779d11cf7de29aa878bf..7a654f8d43fdb43d78b63d90528bed6e86b608cc:/src/widgets/form/CompositeField.js
diff --git a/src/widgets/form/CompositeField.js b/src/widgets/form/CompositeField.js
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-/*!
- * Ext JS Library 3.2.1
- * Copyright(c) 2006-2010 Ext JS, Inc.
- * licensing@extjs.com
- * http://www.extjs.com/license
- */
-/**
- * @class Ext.form.CompositeField
- * @extends Ext.form.Field
- * Composite field allowing a number of form Fields to be rendered on the same row. The fields are rendered
- * using an hbox layout internally, so all of the normal HBox layout config items are available. Example usage:
- *
-{
- xtype: 'compositefield',
- labelWidth: 120
- items: [
- {
- xtype : 'textfield',
- fieldLabel: 'Title',
- width : 20
- },
- {
- xtype : 'textfield',
- fieldLabel: 'First',
- flex : 1
- },
- {
- xtype : 'textfield',
- fieldLabel: 'Last',
- flex : 1
- }
- ]
-}
- *
- * In the example above the composite's fieldLabel will be set to 'Title, First, Last' as it groups the fieldLabels
- * of each of its children. This can be overridden by setting a fieldLabel on the compositefield itself:
- *
-{
- xtype: 'compositefield',
- fieldLabel: 'Custom label',
- items: [...]
-}
- *
- * Any Ext.form.* component can be placed inside a composite field.
- */
-Ext.form.CompositeField = Ext.extend(Ext.form.Field, {
-
- /**
- * @property defaultMargins
- * @type String
- * The margins to apply by default to each field in the composite
- */
- defaultMargins: '0 5 0 0',
-
- /**
- * @property skipLastItemMargin
- * @type Boolean
- * If true, the defaultMargins are not applied to the last item in the composite field set (defaults to true)
- */
- skipLastItemMargin: true,
-
- /**
- * @property isComposite
- * @type Boolean
- * Signifies that this is a Composite field
- */
- isComposite: true,
-
- /**
- * @property combineErrors
- * @type Boolean
- * True to combine errors from the individual fields into a single error message at the CompositeField level (defaults to true)
- */
- combineErrors: true,
-
- //inherit docs
- //Builds the composite field label
- initComponent: function() {
- var labels = [],
- items = this.items,
- item;
-
- for (var i=0, j = items.length; i < j; i++) {
- item = items[i];
-
- labels.push(item.fieldLabel);
-
- //apply any defaults
- Ext.apply(item, this.defaults);
-
- //apply default margins to each item except the last
- if (!(i == j - 1 && this.skipLastItemMargin)) {
- Ext.applyIf(item, {margins: this.defaultMargins});
- }
- }
-
- this.fieldLabel = this.fieldLabel || this.buildLabel(labels);
-
- /**
- * @property fieldErrors
- * @type Ext.util.MixedCollection
- * MixedCollection of current errors on the Composite's subfields. This is used internally to track when
- * to show and hide error messages at the Composite level. Listeners are attached to the MixedCollection's
- * add, remove and replace events to update the error icon in the UI as errors are added or removed.
- */
- this.fieldErrors = new Ext.util.MixedCollection(true, function(item) {
- return item.field;
- });
-
- this.fieldErrors.on({
- scope : this,
- add : this.updateInvalidMark,
- remove : this.updateInvalidMark,
- replace: this.updateInvalidMark
- });
-
- Ext.form.CompositeField.superclass.initComponent.apply(this, arguments);
- },
-
- /**
- * @private
- * Creates an internal container using hbox and renders the fields to it
- */
- onRender: function(ct, position) {
- if (!this.el) {
- /**
- * @property innerCt
- * @type Ext.Container
- * A container configured with hbox layout which is responsible for laying out the subfields
- */
- var innerCt = this.innerCt = new Ext.Container({
- layout : 'hbox',
- renderTo: ct,
- items : this.items,
- cls : 'x-form-composite',
- defaultMargins: '0 3 0 0'
- });
-
- this.el = innerCt.getEl();
-
- var fields = innerCt.findBy(function(c) {
- return c.isFormField;
- }, this);
-
- /**
- * @property items
- * @type Ext.util.MixedCollection
- * Internal collection of all of the subfields in this Composite
- */
- this.items = new Ext.util.MixedCollection();
- this.items.addAll(fields);
-
- //if we're combining subfield errors into a single message, override the markInvalid and clearInvalid
- //methods of each subfield and show them at the Composite level instead
- if (this.combineErrors) {
- this.eachItem(function(field) {
- Ext.apply(field, {
- markInvalid : this.onFieldMarkInvalid.createDelegate(this, [field], 0),
- clearInvalid: this.onFieldClearInvalid.createDelegate(this, [field], 0)
- });
- });
- }
-
- //set the label 'for' to the first item
- var l = this.el.parent().parent().child('label', true);
- if (l) {
- l.setAttribute('for', this.items.items[0].id);
- }
- }
-
- Ext.form.CompositeField.superclass.onRender.apply(this, arguments);
- },
-
- /**
- * Called if combineErrors is true and a subfield's markInvalid method is called.
- * By default this just adds the subfield's error to the internal fieldErrors MixedCollection
- * @param {Ext.form.Field} field The field that was marked invalid
- * @param {String} message The error message
- */
- onFieldMarkInvalid: function(field, message) {
- var name = field.getName(),
- error = {field: name, error: message};
-
- this.fieldErrors.replace(name, error);
-
- field.el.addClass(field.invalidClass);
- },
-
- /**
- * Called if combineErrors is true and a subfield's clearInvalid method is called.
- * By default this just updates the internal fieldErrors MixedCollection.
- * @param {Ext.form.Field} field The field that was marked invalid
- */
- onFieldClearInvalid: function(field) {
- this.fieldErrors.removeKey(field.getName());
-
- field.el.removeClass(field.invalidClass);
- },
-
- /**
- * @private
- * Called after a subfield is marked valid or invalid, this checks to see if any of the subfields are
- * currently invalid. If any subfields are invalid it builds a combined error message marks the composite
- * invalid, otherwise clearInvalid is called
- */
- updateInvalidMark: function() {
- var ieStrict = Ext.isIE6 && Ext.isStrict;
-
- if (this.fieldErrors.length == 0) {
- this.clearInvalid();
-
- //IE6 in strict mode has a layout bug when using 'under' as the error message target. This fixes it
- if (ieStrict) {
- this.clearInvalid.defer(50, this);
- }
- } else {
- var message = this.buildCombinedErrorMessage(this.fieldErrors.items);
-
- this.sortErrors();
- this.markInvalid(message);
-
- //IE6 in strict mode has a layout bug when using 'under' as the error message target. This fixes it
- if (ieStrict) {
- this.markInvalid(message);
- }
- }
- },
-
- /**
- * Performs validation checks on each subfield and returns false if any of them fail validation.
- * @return {Boolean} False if any subfield failed validation
- */
- validateValue: function() {
- var valid = true;
-
- this.eachItem(function(field) {
- if (!field.isValid()) valid = false;
- });
-
- return valid;
- },
-
- /**
- * Takes an object containing error messages for contained fields, returning a combined error
- * string (defaults to just placing each item on a new line). This can be overridden to provide
- * custom combined error message handling.
- * @param {Array} errors Array of errors in format: [{field: 'title', error: 'some error'}]
- * @return {String} The combined error message
- */
- buildCombinedErrorMessage: function(errors) {
- var combined = [],
- error;
-
- for (var i = 0, j = errors.length; i < j; i++) {
- error = errors[i];
-
- combined.push(String.format("{0}: {1}", error.field, error.error));
- }
-
- return combined.join("
");
- },
-
- /**
- * Sorts the internal fieldErrors MixedCollection by the order in which the fields are defined.
- * This is called before displaying errors to ensure that the errors are presented in the expected order.
- * This function can be overridden to provide a custom sorting order if needed.
- */
- sortErrors: function() {
- var fields = this.items;
-
- this.fieldErrors.sort("ASC", function(a, b) {
- var findByName = function(key) {
- return function(field) {
- return field.getName() == key;
- };
- };
-
- var aIndex = fields.findIndexBy(findByName(a.field)),
- bIndex = fields.findIndexBy(findByName(b.field));
-
- return aIndex < bIndex ? -1 : 1;
- });
- },
-
- /**
- * Resets each field in the composite to their previous value
- */
- reset: function() {
- this.eachItem(function(item) {
- item.reset();
- });
-
- // Defer the clearInvalid so if BaseForm's collection is being iterated it will be called AFTER it is complete.
- // Important because reset is being called on both the group and the individual items.
- (function() {
- this.clearInvalid();
- }).defer(50, this);
- },
-
- /**
- * Calls clearInvalid on all child fields. This is a convenience function and should not often need to be called
- * as fields usually take care of clearing themselves
- */
- clearInvalidChildren: function() {
- this.eachItem(function(item) {
- item.clearInvalid();
- });
- },
-
- /**
- * Builds a label string from an array of subfield labels.
- * By default this just joins the labels together with a comma
- * @param {Array} segments Array of each of the labels in the composite field's subfields
- * @return {String} The built label
- */
- buildLabel: function(segments) {
- return segments.join(", ");
- },
-
- /**
- * Checks each field in the composite and returns true if any is dirty
- * @return {Boolean} True if any field is dirty
- */
- isDirty: function(){
- //override the behaviour to check sub items.
- if (this.disabled || !this.rendered) {
- return false;
- }
-
- var dirty = false;
- this.eachItem(function(item){
- if(item.isDirty()){
- dirty = true;
- return false;
- }
- });
- return dirty;
- },
-
- /**
- * @private
- * Convenience function which passes the given function to every item in the composite
- * @param {Function} fn The function to call
- * @param {Object} scope Optional scope object
- */
- eachItem: function(fn, scope) {
- if(this.items && this.items.each){
- this.items.each(fn, scope || this);
- }
- },
-
- /**
- * @private
- * Passes the resize call through to the inner panel
- */
- onResize: function(adjWidth, adjHeight, rawWidth, rawHeight) {
- var innerCt = this.innerCt;
-
- if (this.rendered && innerCt.rendered) {
- innerCt.setSize(adjWidth, adjHeight);
- }
-
- Ext.form.CompositeField.superclass.onResize.apply(this, arguments);
- },
-
- /**
- * @private
- * Forces the internal container to be laid out again
- */
- doLayout: function(shallow, force) {
- if (this.rendered) {
- var innerCt = this.innerCt;
-
- innerCt.forceLayout = this.ownerCt.forceLayout;
- innerCt.doLayout(shallow, force);
- }
- },
-
- /**
- * @private
- */
- beforeDestroy: function(){
- Ext.destroy(this.innerCt);
-
- Ext.form.CompositeField.superclass.beforeDestroy.call(this);
- },
-
- //override the behaviour to check sub items.
- setReadOnly : function(readOnly) {
- readOnly = readOnly || true;
-
- if(this.rendered){
- this.eachItem(function(item){
- item.setReadOnly(readOnly);
- });
- }
- this.readOnly = readOnly;
- },
-
- onShow : function() {
- Ext.form.CompositeField.superclass.onShow.call(this);
- this.doLayout();
- },
-
- //override the behaviour to check sub items.
- onDisable : function(){
- this.eachItem(function(item){
- item.disable();
- });
- },
-
- //override the behaviour to check sub items.
- onEnable : function(){
- this.eachItem(function(item){
- item.enable();
- });
- }
-});
-
-Ext.reg('compositefield', Ext.form.CompositeField);