3 * Copyright(c) 2006-2009 Ext JS, LLC
5 * http://www.extjs.com/license
8 * @class Ext.BoxComponent
9 * @extends Ext.Component
10 * <p>Base class for any {@link Ext.Component Component} that is to be sized as a box, using width and height.</p>
11 * <p>BoxComponent provides automatic box model adjustments for sizing and positioning and will work correctly
12 * within the Component rendering model.</p>
13 * <p>A BoxComponent may be created as a custom Component which encapsulates any HTML element, either a pre-existing
14 * element, or one that is created to your specifications at render time. Usually, to participate in layouts,
15 * a Component will need to be a <b>Box</b>Component in order to have its width and height managed.</p>
16 * <p>To use a pre-existing element as a BoxComponent, configure it so that you preset the <b>el</b> property to the
17 * element to reference:<pre><code>
18 var pageHeader = new Ext.BoxComponent({
21 * This may then be {@link Ext.Container#add added} to a {@link Ext.Container Container} as a child item.</p>
22 * <p>To create a BoxComponent based around a HTML element to be created at render time, use the
23 * {@link Ext.Component#autoEl autoEl} config option which takes the form of a
24 * {@link Ext.DomHelper DomHelper} specification:<pre><code>
25 var myImage = new Ext.BoxComponent({
28 src: '/images/my-image.jpg'
32 * @param {Ext.Element/String/Object} config The configuration options.
35 Ext.BoxComponent = Ext.extend(Ext.Component, {
37 // tabTip config is used when a BoxComponent is a child of a TabPanel
39 * @cfg {String} tabTip
40 * <p><b>Note</b>: this config is only used when this BoxComponent is a child item of a TabPanel.</p>
41 * A string to be used as innerHTML (html tags are accepted) to show in a tooltip when mousing over
42 * the associated tab selector element. {@link Ext.QuickTips}.init()
43 * must be called in order for the tips to render.
45 // Configs below are used for all Components when rendered by BorderLayout.
47 * @cfg {String} region <p><b>Note</b>: this config is only used when this BoxComponent is rendered
48 * by a Container which has been configured to use the <b>{@link Ext.layout.BorderLayout BorderLayout}</b>
49 * layout manager (e.g. specifying <tt>layout:'border'</tt>).</p><br>
50 * <p>See {@link Ext.layout.BorderLayout} also.</p>
52 // margins config is used when a BoxComponent is rendered by BorderLayout or BoxLayout.
54 * @cfg {Object} margins <p><b>Note</b>: this config is only used when this BoxComponent is rendered
55 * by a Container which has been configured to use the <b>{@link Ext.layout.BorderLayout BorderLayout}</b>
56 * or one of the two <b>{@link Ext.layout.BoxLayout BoxLayout} subclasses.</b></p>
57 * <p>An object containing margins to apply to this BoxComponent in the
58 * format:</p><pre><code>
61 right: (right margin),
62 bottom: (bottom margin),
65 * <p>May also be a string containing space-separated, numeric margin values. The order of the
66 * sides associated with each value matches the way CSS processes margin values:</p>
67 * <p><div class="mdetail-params"><ul>
68 * <li>If there is only one value, it applies to all sides.</li>
69 * <li>If there are two values, the top and bottom borders are set to the first value and the
70 * right and left are set to the second.</li>
71 * <li>If there are three values, the top is set to the first value, the left and right are set
72 * to the second, and the bottom is set to the third.</li>
73 * <li>If there are four values, they apply to the top, right, bottom, and left, respectively.</li>
75 * <p>Defaults to:</p><pre><code>
76 * {top:0, right:0, bottom:0, left:0}
81 * The local x (left) coordinate for this component if contained within a positioning container.
85 * The local y (top) coordinate for this component if contained within a positioning container.
89 * The page level x coordinate for this component if contained within a positioning container.
93 * The page level y coordinate for this component if contained within a positioning container.
96 * @cfg {Number} height
97 * The height of this component in pixels (defaults to auto).
98 * <b>Note</b> to express this dimension as a percentage or offset see {@link Ext.Component#anchor}.
101 * @cfg {Number} width
102 * The width of this component in pixels (defaults to auto).
103 * <b>Note</b> to express this dimension as a percentage or offset see {@link Ext.Component#anchor}.
106 * @cfg {Boolean} autoHeight
107 * <p>True to use height:'auto', false to use fixed height (or allow it to be managed by its parent
108 * Container's {@link Ext.Container#layout layout manager}. Defaults to false.</p>
109 * <p><b>Note</b>: Although many components inherit this config option, not all will
110 * function as expected with a height of 'auto'. Setting autoHeight:true means that the
111 * browser will manage height based on the element's contents, and that Ext will not manage it at all.</p>
112 * <p>If the <i>browser</i> is managing the height, be aware that resizes performed by the browser in response
113 * to changes within the structure of the Component cannot be detected. Therefore changes to the height might
114 * result in elements needing to be synchronized with the new height. Example:</p><pre><code>
115 var w = new Ext.Window({
120 title: 'Collapse Me',
125 beforecollapse: function() {
128 beforeexpand: function() {
131 collapse: function() {
143 * @cfg {Boolean} autoWidth
144 * <p>True to use width:'auto', false to use fixed width (or allow it to be managed by its parent
145 * Container's {@link Ext.Container#layout layout manager}. Defaults to false.</p>
146 * <p><b>Note</b>: Although many components inherit this config option, not all will
147 * function as expected with a width of 'auto'. Setting autoWidth:true means that the
148 * browser will manage width based on the element's contents, and that Ext will not manage it at all.</p>
149 * <p>If the <i>browser</i> is managing the width, be aware that resizes performed by the browser in response
150 * to changes within the structure of the Component cannot be detected. Therefore changes to the width might
151 * result in elements needing to be synchronized with the new width. For example, where the target element is:</p><pre><code>
152 <div id='grid-container' style='margin-left:25%;width:50%'></div>
154 * A Panel rendered into that target element must listen for browser window resize in order to relay its
155 * child items when the browser changes its width:<pre><code>
156 var myPanel = new Ext.Panel({
157 renderTo: 'grid-container',
158 monitorResize: true, // relay on browser resize
180 /* // private internal config
181 * {Boolean} deferHeight
182 * True to defer height calculations to an external component, false to allow this component to set its own
183 * height (defaults to false).
187 initComponent : function(){
188 Ext.BoxComponent.superclass.initComponent.call(this);
192 * Fires after the component is resized.
193 * @param {Ext.Component} this
194 * @param {Number} adjWidth The box-adjusted width that was set
195 * @param {Number} adjHeight The box-adjusted height that was set
196 * @param {Number} rawWidth The width that was originally specified
197 * @param {Number} rawHeight The height that was originally specified
202 * Fires after the component is moved.
203 * @param {Ext.Component} this
204 * @param {Number} x The new x position
205 * @param {Number} y The new y position
211 // private, set in afterRender to signify that the component has been rendered
213 // private, used to defer height settings to subclasses
217 * Sets the width and height of this BoxComponent. This method fires the {@link #resize} event. This method can accept
218 * either width and height as separate arguments, or you can pass a size object like <code>{width:10, height:20}</code>.
219 * @param {Mixed} width The new width to set. This may be one of:<div class="mdetail-params"><ul>
220 * <li>A Number specifying the new width in the {@link #getEl Element}'s {@link Ext.Element#defaultUnit}s (by default, pixels).</li>
221 * <li>A String used to set the CSS width style.</li>
222 * <li>A size object in the format <code>{width: widthValue, height: heightValue}</code>.</li>
223 * <li><code>undefined</code> to leave the width unchanged.</li>
225 * @param {Mixed} height The new height to set (not required if a size object is passed as the first arg).
226 * This may be one of:<div class="mdetail-params"><ul>
227 * <li>A Number specifying the new height in the {@link #getEl Element}'s {@link Ext.Element#defaultUnit}s (by default, pixels).</li>
228 * <li>A String used to set the CSS height style. Animation may <b>not</b> be used.</li>
229 * <li><code>undefined</code> to leave the height unchanged.</li>
231 * @return {Ext.BoxComponent} this
233 setSize : function(w, h){
234 // support for standard size objects
235 if(typeof w == 'object'){
246 // prevent recalcs when not needed
247 if(this.cacheSizes !== false && this.lastSize && this.lastSize.width == w && this.lastSize.height == h){
250 this.lastSize = {width: w, height: h};
251 var adj = this.adjustSize(w, h);
252 var aw = adj.width, ah = adj.height;
253 if(aw !== undefined || ah !== undefined){ // this code is nasty but performs better with floaters
254 var rz = this.getResizeEl();
255 if(!this.deferHeight && aw !== undefined && ah !== undefined){
257 }else if(!this.deferHeight && ah !== undefined){
259 }else if(aw !== undefined){
262 this.onResize(aw, ah, w, h);
263 this.fireEvent('resize', this, aw, ah, w, h);
269 * Sets the width of the component. This method fires the {@link #resize} event.
270 * @param {Number} width The new width to setThis may be one of:<div class="mdetail-params"><ul>
271 * <li>A Number specifying the new width in the {@link #getEl Element}'s {@link Ext.Element#defaultUnit}s (by default, pixels).</li>
272 * <li>A String used to set the CSS width style.</li>
274 * @return {Ext.BoxComponent} this
276 setWidth : function(width){
277 return this.setSize(width);
281 * Sets the height of the component. This method fires the {@link #resize} event.
282 * @param {Number} height The new height to set. This may be one of:<div class="mdetail-params"><ul>
283 * <li>A Number specifying the new height in the {@link #getEl Element}'s {@link Ext.Element#defaultUnit}s (by default, pixels).</li>
284 * <li>A String used to set the CSS height style.</li>
285 * <li><i>undefined</i> to leave the height unchanged.</li>
287 * @return {Ext.BoxComponent} this
289 setHeight : function(height){
290 return this.setSize(undefined, height);
294 * Gets the current size of the component's underlying element.
295 * @return {Object} An object containing the element's size {width: (element width), height: (element height)}
297 getSize : function(){
298 return this.getResizeEl().getSize();
302 * Gets the current width of the component's underlying element.
305 getWidth : function(){
306 return this.getResizeEl().getWidth();
310 * Gets the current height of the component's underlying element.
313 getHeight : function(){
314 return this.getResizeEl().getHeight();
318 * Gets the current size of the component's underlying element, including space taken by its margins.
319 * @return {Object} An object containing the element's size {width: (element width + left/right margins), height: (element height + top/bottom margins)}
321 getOuterSize : function(){
322 var el = this.getResizeEl();
323 return {width: el.getWidth() + el.getMargins('lr'),
324 height: el.getHeight() + el.getMargins('tb')};
328 * Gets the current XY position of the component's underlying element.
329 * @param {Boolean} local (optional) If true the element's left and top are returned instead of page XY (defaults to false)
330 * @return {Array} The XY position of the element (e.g., [100, 200])
332 getPosition : function(local){
333 var el = this.getPositionEl();
335 return [el.getLeft(true), el.getTop(true)];
337 return this.xy || el.getXY();
341 * Gets the current box measurements of the component's underlying element.
342 * @param {Boolean} local (optional) If true the element's left and top are returned instead of page XY (defaults to false)
343 * @return {Object} box An object in the format {x, y, width, height}
345 getBox : function(local){
346 var pos = this.getPosition(local);
347 var s = this.getSize();
354 * Sets the current box measurements of the component's underlying element.
355 * @param {Object} box An object in the format {x, y, width, height}
356 * @return {Ext.BoxComponent} this
358 updateBox : function(box){
359 this.setSize(box.width, box.height);
360 this.setPagePosition(box.x, box.y);
365 * <p>Returns the outermost Element of this Component which defines the Components overall size.</p>
366 * <p><i>Usually</i> this will return the same Element as <code>{@link #getEl}</code>,
367 * but in some cases, a Component may have some more wrapping Elements around its main
368 * active Element.</p>
369 * <p>An example is a ComboBox. It is encased in a <i>wrapping</i> Element which
370 * contains both the <code><input></code> Element (which is what would be returned
371 * by its <code>{@link #getEl}</code> method, <i>and</i> the trigger button Element.
372 * This Element is returned as the <code>resizeEl</code>.
374 getResizeEl : function(){
375 return this.resizeEl || this.el;
379 getPositionEl : function(){
380 return this.positionEl || this.el;
384 * Sets the left and top of the component. To set the page XY position instead, use {@link #setPagePosition}.
385 * This method fires the {@link #move} event.
386 * @param {Number} left The new left
387 * @param {Number} top The new top
388 * @return {Ext.BoxComponent} this
390 setPosition : function(x, y){
391 if(x && typeof x[1] == 'number'){
400 var adj = this.adjustPosition(x, y);
401 var ax = adj.x, ay = adj.y;
403 var el = this.getPositionEl();
404 if(ax !== undefined || ay !== undefined){
405 if(ax !== undefined && ay !== undefined){
406 el.setLeftTop(ax, ay);
407 }else if(ax !== undefined){
409 }else if(ay !== undefined){
412 this.onPosition(ax, ay);
413 this.fireEvent('move', this, ax, ay);
419 * Sets the page XY position of the component. To set the left and top instead, use {@link #setPosition}.
420 * This method fires the {@link #move} event.
421 * @param {Number} x The new x position
422 * @param {Number} y The new y position
423 * @return {Ext.BoxComponent} this
425 setPagePosition : function(x, y){
426 if(x && typeof x[1] == 'number'){
435 if(x === undefined || y === undefined){ // cannot translate undefined points
438 var p = this.getPositionEl().translatePoints(x, y);
439 this.setPosition(p.left, p.top);
444 afterRender : function(){
445 Ext.BoxComponent.superclass.afterRender.call(this);
447 this.resizeEl = Ext.get(this.resizeEl);
450 this.positionEl = Ext.get(this.positionEl);
452 this.boxReady = true;
453 this.setSize(this.width, this.height);
454 if(this.x || this.y){
455 this.setPosition(this.x, this.y);
456 }else if(this.pageX || this.pageY){
457 this.setPagePosition(this.pageX, this.pageY);
462 * Force the component's size to recalculate based on the underlying element's current height and width.
463 * @return {Ext.BoxComponent} this
465 syncSize : function(){
466 delete this.lastSize;
467 this.setSize(this.autoWidth ? undefined : this.getResizeEl().getWidth(), this.autoHeight ? undefined : this.getResizeEl().getHeight());
472 * Called after the component is resized, this method is empty by default but can be implemented by any
473 * subclass that needs to perform custom logic after a resize occurs.
474 * @param {Number} adjWidth The box-adjusted width that was set
475 * @param {Number} adjHeight The box-adjusted height that was set
476 * @param {Number} rawWidth The width that was originally specified
477 * @param {Number} rawHeight The height that was originally specified
479 onResize : function(adjWidth, adjHeight, rawWidth, rawHeight){
484 * Called after the component is moved, this method is empty by default but can be implemented by any
485 * subclass that needs to perform custom logic after a move occurs.
486 * @param {Number} x The new x position
487 * @param {Number} y The new y position
489 onPosition : function(x, y){
494 adjustSize : function(w, h){
501 return {width : w, height: h};
505 adjustPosition : function(x, y){
506 return {x : x, y: y};
509 Ext.reg('box', Ext.BoxComponent);
514 * @extends Ext.BoxComponent
515 * <p>Used to provide a sizable space in a layout.</p>
517 * @param {Object} config
519 Ext.Spacer = Ext.extend(Ext.BoxComponent, {
522 Ext.reg('spacer', Ext.Spacer);