X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/6a7e4474cba9d8be4b2ec445e10f1691f7277c50..7a654f8d43fdb43d78b63d90528bed6e86b608cc:/docs/source/Layer.html diff --git a/docs/source/Layer.html b/docs/source/Layer.html index 64e4b4e9..6565e1f5 100644 --- a/docs/source/Layer.html +++ b/docs/source/Layer.html @@ -1,21 +1,7 @@ - -
- -/*! - * Ext JS Library 3.2.0 - * Copyright(c) 2006-2010 Ext JS, Inc. - * licensing@extjs.com - * http://www.extjs.com/license - */ -/** - * @class Ext.Layer - * @extends Ext.Element - * An extended {@link Ext.Element} object that supports a shadow and shim, constrain to viewport and +\ No newline at end of fileSencha Documentation Project /** + * @class Ext.Layer + * @extends Ext.core.Element + * An extended {@link Ext.core.Element} object that supports a shadow and shim, constrain to viewport and * automatic maintaining of shadow/shim positions. * @cfg {Boolean} shim False to disable the iframe shim in browsers which need one (defaults to true) * @cfg {String/Boolean} shadow True to automatically create an {@link Ext.Shadow}, or a string indicating the @@ -26,94 +12,135 @@ * @cfg {Number} zindex Starting z-index (defaults to 11000) * @cfg {Number} shadowOffset Number of pixels to offset the shadow (defaults to 4) * @cfg {Boolean} useDisplay - * Defaults to use css offsets to hide the Layer. Specify true - * to use css style 'display:none;' to hide the Layer. + * Defaults to use css offsets to hide the Layer. Specify <tt>true</tt> + * to use css style <tt>'display:none;'</tt> to hide the Layer. + * @cfg {String} visibilityCls The CSS class name to add in order to hide this Layer if this layer + * is configured with <code>{@link #hideMode}: 'asclass'</code> + * @cfg {String} hideMode + * A String which specifies how this Layer will be hidden. + * Values may be<div class="mdetail-params"><ul> + * <li><code>'display'</code> : The Component will be hidden using the <code>display: none</code> style.</li> + * <li><code>'visibility'</code> : The Component will be hidden using the <code>visibility: hidden</code> style.</li> + * <li><code>'offsets'</code> : The Component will be hidden by absolutely positioning it out of the visible area of the document. This + * is useful when a hidden Component must maintain measurable dimensions. Hiding using <code>display</code> results + * in a Component having zero dimensions.</li></ul></div> * @constructor * @param {Object} config An object with config options. * @param {String/HTMLElement} existingEl (optional) Uses an existing DOM element. If the element is not found it creates it. */ -(function(){ -Ext.Layer = function(config, existingEl){ - config = config || {}; - var dh = Ext.DomHelper; - var cp = config.parentEl, pel = cp ? Ext.getDom(cp) : document.body; - if(existingEl){ - this.dom = Ext.getDom(existingEl); - } - if(!this.dom){ - var o = config.dh || {tag: 'div', cls: 'x-layer'}; - this.dom = dh.append(pel, o); - } - if(config.cls){ - this.addClass(config.cls); - } - this.constrain = config.constrain !== false; - this.setVisibilityMode(Ext.Element.VISIBILITY); - if(config.id){ - this.id = this.dom.id = config.id; - }else{ - this.id = Ext.id(this.dom); - } - this.zindex = config.zindex || this.getZIndex(); - this.position('absolute', this.zindex); - if(config.shadow){ - this.shadowOffset = config.shadowOffset || 4; - this.shadow = new Ext.Shadow({ - offset : this.shadowOffset, - mode : config.shadow - }); - }else{ - this.shadowOffset = 0; - } - this.useShim = config.shim !== false && Ext.useShims; - this.useDisplay = config.useDisplay; - this.hide(); -}; +Ext.define('Ext.Layer', { + uses: ['Ext.Shadow'], -var supr = Ext.Element.prototype; + // shims are shared among layer to keep from having 100 iframes + statics: { + shims: [] + }, -// shims are shared among layer to keep from having 100 iframes -var shims = []; + extend: 'Ext.core.Element', -Ext.extend(Ext.Layer, Ext.Element, { + constructor: function(config, existingEl) { + config = config || {}; + var me = this, + dh = Ext.core.DomHelper, + cp = config.parentEl, + pel = cp ? Ext.getDom(cp) : document.body, + hm = config.hideMode; - getZIndex : function(){ - return this.zindex || parseInt((this.getShim() || this).getStyle('z-index'), 10) || 11000; - }, + if (existingEl) { + me.dom = Ext.getDom(existingEl); + } + if (!me.dom) { + me.dom = dh.append(pel, config.dh || { + tag: 'div', + cls: Ext.baseCSSPrefix + 'layer' + }); + } else { + me.addCls(Ext.baseCSSPrefix + 'layer'); + if (!me.dom.parentNode) { + pel.appendChild(me.dom); + } + } - getShim : function(){ - if(!this.useShim){ - return null; + if (config.cls) { + me.addCls(config.cls); } - if(this.shim){ - return this.shim; + me.constrain = config.constrain !== false; + + // Allow Components to pass their hide mode down to the Layer if they are floating. + // Otherwise, allow useDisplay to override the default hiding method which is visibility. + // TODO: Have ExtJS's Element implement visibilityMode by using classes as in Mobile. + if (hm) { + me.setVisibilityMode(Ext.core.Element[hm.toUpperCase()]); + if (me.visibilityMode == Ext.core.Element.ASCLASS) { + me.visibilityCls = config.visibilityCls; + } + } else if (config.useDisplay) { + me.setVisibilityMode(Ext.core.Element.DISPLAY); + } else { + me.setVisibilityMode(Ext.core.Element.VISIBILITY); + } + + if (config.id) { + me.id = me.dom.id = config.id; + } else { + me.id = Ext.id(me.dom); } - var shim = shims.shift(); - if(!shim){ - shim = this.createShim(); - shim.enableDisplayMode('block'); - shim.dom.style.display = 'none'; - shim.dom.style.visibility = 'visible'; + me.position('absolute'); + if (config.shadow) { + me.shadowOffset = config.shadowOffset || 4; + me.shadow = Ext.create('Ext.Shadow', { + offset: me.shadowOffset, + mode: config.shadow + }); + me.disableShadow(); + } else { + me.shadowOffset = 0; + } + me.useShim = config.shim !== false && Ext.useShims; + if (config.hidden === true) { + me.hide(); + } else { + this.show(); + } + }, + + getZIndex: function() { + return parseInt((this.getShim() || this).getStyle('z-index'), 10); + }, + + getShim: function() { + var me = this, + shim, pn; + + if (!me.useShim) { + return null; } - var pn = this.dom.parentNode; - if(shim.dom.parentNode != pn){ - pn.insertBefore(shim.dom, this.dom); + if (!me.shim) { + shim = me.self.shims.shift(); + if (!shim) { + shim = me.createShim(); + shim.enableDisplayMode('block'); + shim.hide(); + } + pn = me.dom.parentNode; + if (shim.dom.parentNode != pn) { + pn.insertBefore(shim.dom, me.dom); + } + me.shim = shim; } - shim.setStyle('z-index', this.getZIndex()-2); - this.shim = shim; - return shim; + return me.shim; }, - hideShim : function(){ - if(this.shim){ + hideShim: function() { + if (this.shim) { this.shim.setDisplayed(false); - shims.push(this.shim); + this.self.shims.push(this.shim); delete this.shim; } }, - disableShadow : function(){ - if(this.shadow){ + disableShadow: function() { + if (this.shadow) { this.shadowDisabled = true; this.shadow.hide(); this.lastShadowOffset = this.shadowOffset; @@ -121,355 +148,320 @@ Ext.extend(Ext.Layer, Ext.Element, { } }, - enableShadow : function(show){ - if(this.shadow){ + enableShadow: function(show) { + if (this.shadow) { this.shadowDisabled = false; this.shadowOffset = this.lastShadowOffset; delete this.lastShadowOffset; - if(show){ + if (show) { this.sync(true); } } }, - // private - // this code can execute repeatedly in milliseconds (i.e. during a drag) so - // code size was sacrificed for effeciency (e.g. no getBox/setBox, no XY calls) - sync : function(doShow){ - var shadow = this.shadow; - if(!this.updating && this.isVisible() && (shadow || this.useShim)){ + /** + * @private + * <p>Synchronize this Layer's associated elements, the shadow, and possibly the shim.</p> + * <p>This code can execute repeatedly in milliseconds, + * eg: dragging a Component configured liveDrag: true, or which has no ghost method + * so code size was sacrificed for efficiency (e.g. no getBox/setBox, no XY calls)</p> + * @param {Boolean} doShow Pass true to ensure that the shadow is shown. + */ + sync: function(doShow) { + var me = this, + shadow = me.shadow, + shadowPos, shimStyle, shadowSize; + + if (!this.updating && this.isVisible() && (shadow || this.useShim)) { var shim = this.getShim(), + l = this.getLeft(true), + t = this.getTop(true), w = this.getWidth(), h = this.getHeight(), - l = this.getLeft(true), - t = this.getTop(true); + shimIndex; - if(shadow && !this.shadowDisabled){ - if(doShow && !shadow.isVisible()){ + if (shadow && !this.shadowDisabled) { + if (doShow && !shadow.isVisible()) { shadow.show(this); - }else{ + } else { shadow.realign(l, t, w, h); } - if(shim){ - if(doShow){ - shim.show(); + if (shim) { + // TODO: Determine how the shims zIndex is above the layer zIndex at this point + shimIndex = shim.getStyle('z-index'); + if (shimIndex > me.zindex) { + me.shim.setStyle('z-index', me.zindex - 2); } + shim.show(); // fit the shim behind the shadow, so it is shimmed too - var shadowAdj = shadow.el.getXY(), shimStyle = shim.dom.style, + if (shadow.isVisible()) { + shadowPos = shadow.el.getXY(); + shimStyle = shim.dom.style; shadowSize = shadow.el.getSize(); - shimStyle.left = (shadowAdj[0])+'px'; - shimStyle.top = (shadowAdj[1])+'px'; - shimStyle.width = (shadowSize.width)+'px'; - shimStyle.height = (shadowSize.height)+'px'; + shimStyle.left = (shadowPos[0]) + 'px'; + shimStyle.top = (shadowPos[1]) + 'px'; + shimStyle.width = (shadowSize.width) + 'px'; + shimStyle.height = (shadowSize.height) + 'px'; + } else { + shim.setSize(w, h); + shim.setLeftTop(l, t); + } } - }else if(shim){ - if(doShow){ - shim.show(); + } else if (shim) { + // TODO: Determine how the shims zIndex is above the layer zIndex at this point + shimIndex = shim.getStyle('z-index'); + if (shimIndex > me.zindex) { + me.shim.setStyle('z-index', me.zindex - 2); } + shim.show(); shim.setSize(w, h); shim.setLeftTop(l, t); } } + return this; }, - // private - destroy : function(){ - this.hideShim(); - if(this.shadow){ - this.shadow.hide(); - } - this.removeAllListeners(); - Ext.removeNode(this.dom); - delete this.dom; - }, - - remove : function(){ - this.destroy(); + remove: function() { + this.hideUnders(); + this.callParent(); }, // private - beginUpdate : function(){ + beginUpdate: function() { this.updating = true; }, // private - endUpdate : function(){ + endUpdate: function() { this.updating = false; this.sync(true); }, // private - hideUnders : function(negOffset){ - if(this.shadow){ + hideUnders: function() { + if (this.shadow) { this.shadow.hide(); } this.hideShim(); }, // private - constrainXY : function(){ - if(this.constrain){ - var vw = Ext.lib.Dom.getViewWidth(), - vh = Ext.lib.Dom.getViewHeight(); - var s = Ext.getDoc().getScroll(); - - var xy = this.getXY(); - var x = xy[0], y = xy[1]; - var so = this.shadowOffset; - var w = this.dom.offsetWidth+so, h = this.dom.offsetHeight+so; - // only move it if it needs it - var moved = false; + constrainXY: function() { + if (this.constrain) { + var vw = Ext.core.Element.getViewWidth(), + vh = Ext.core.Element.getViewHeight(), + s = Ext.getDoc().getScroll(), + xy = this.getXY(), + x = xy[0], + y = xy[1], + so = this.shadowOffset, + w = this.dom.offsetWidth + so, + h = this.dom.offsetHeight + so, + moved = false; // only move it if it needs it // first validate right/bottom - if((x + w) > vw+s.left){ + if ((x + w) > vw + s.left) { x = vw - w - so; moved = true; } - if((y + h) > vh+s.top){ + if ((y + h) > vh + s.top) { y = vh - h - so; moved = true; } // then make sure top/left isn't negative - if(x < s.left){ + if (x < s.left) { x = s.left; moved = true; } - if(y < s.top){ + if (y < s.top) { y = s.top; moved = true; } - if(moved){ - if(this.avoidY){ - var ay = this.avoidY; - if(y <= ay && (y+h) >= ay){ - y = ay-h-5; - } - } - xy = [x, y]; - this.storeXY(xy); - supr.setXY.call(this, xy); + if (moved) { + Ext.Layer.superclass.setXY.call(this, [x, y]); this.sync(); } } return this; }, - isVisible : function(){ - return this.visible; - }, - - // private - showAction : function(){ - this.visible = true; // track visibility to prevent getStyle calls - if(this.useDisplay === true){ - this.setDisplayed(''); - }else if(this.lastXY){ - supr.setXY.call(this, this.lastXY); - }else if(this.lastLT){ - supr.setLeftTop.call(this, this.lastLT[0], this.lastLT[1]); - } - }, - - // private - hideAction : function(){ - this.visible = false; - if(this.useDisplay === true){ - this.setDisplayed(false); - }else{ - this.setLeftTop(-10000,-10000); - } + getConstrainOffset: function() { + return this.shadowOffset; }, // overridden Element method - setVisible : function(v, a, d, c, e){ - if(v){ - this.showAction(); - } - if(a && v){ - var cb = function(){ - this.sync(true); - if(c){ - c(); - } - }.createDelegate(this); - supr.setVisible.call(this, true, true, d, cb, e); - }else{ - if(!v){ - this.hideUnders(true); + setVisible: function(visible, animate, duration, callback, easing) { + var me = this, + cb; + + // post operation processing + cb = function() { + if (visible) { + me.sync(true); } - var cb = c; - if(a){ - cb = function(){ - this.hideAction(); - if(c){ - c(); - } - }.createDelegate(this); - } - supr.setVisible.call(this, v, a, d, cb, e); - if(v){ - this.sync(true); - }else if(!a){ - this.hideAction(); + if (callback) { + callback(); } + }; + + // Hide shadow and shim if hiding + if (!visible) { + this.hideUnders(true); + } + this.callParent([visible, animate, duration, callback, easing]); + if (!animate) { + cb(); } return this; }, - storeXY : function(xy){ - delete this.lastLT; - this.lastXY = xy; - }, - - storeLeftTop : function(left, top){ - delete this.lastXY; - this.lastLT = [left, top]; - }, - // private - beforeFx : function(){ + beforeFx: function() { this.beforeAction(); - return Ext.Layer.superclass.beforeFx.apply(this, arguments); + return this.callParent(arguments); }, // private - afterFx : function(){ - Ext.Layer.superclass.afterFx.apply(this, arguments); + afterFx: function() { + this.callParent(arguments); this.sync(this.isVisible()); }, // private - beforeAction : function(){ - if(!this.updating && this.shadow){ + beforeAction: function() { + if (!this.updating && this.shadow) { this.shadow.hide(); } }, // overridden Element method - setLeft : function(left){ - this.storeLeftTop(left, this.getTop(true)); - supr.setLeft.apply(this, arguments); - this.sync(); - return this; + setLeft: function(left) { + this.callParent(arguments); + return this.sync(); }, - setTop : function(top){ - this.storeLeftTop(this.getLeft(true), top); - supr.setTop.apply(this, arguments); - this.sync(); - return this; + setTop: function(top) { + this.callParent(arguments); + return this.sync(); }, - setLeftTop : function(left, top){ - this.storeLeftTop(left, top); - supr.setLeftTop.apply(this, arguments); - this.sync(); - return this; + setLeftTop: function(left, top) { + this.callParent(arguments); + return this.sync(); }, - setXY : function(xy, a, d, c, e){ + setXY: function(xy, animate, duration, callback, easing) { + + // Callback will restore shadow state and call the passed callback + callback = this.createCB(callback); + this.fixDisplay(); this.beforeAction(); - this.storeXY(xy); - var cb = this.createCB(c); - supr.setXY.call(this, xy, a, d, cb, e); - if(!a){ - cb(); + this.callParent([xy, animate, duration, callback, easing]); + if (!animate) { + callback(); } return this; }, // private - createCB : function(c){ - var el = this; - return function(){ - el.constrainXY(); - el.sync(true); - if(c){ - c(); + createCB: function(callback) { + var me = this, + showShadow = me.shadow && me.shadow.isVisible(); + + return function() { + me.constrainXY(); + me.sync(showShadow); + if (callback) { + callback(); } }; }, // overridden Element method - setX : function(x, a, d, c, e){ - this.setXY([x, this.getY()], a, d, c, e); + setX: function(x, animate, duration, callback, easing) { + this.setXY([x, this.getY()], animate, duration, callback, easing); return this; }, // overridden Element method - setY : function(y, a, d, c, e){ - this.setXY([this.getX(), y], a, d, c, e); + setY: function(y, animate, duration, callback, easing) { + this.setXY([this.getX(), y], animate, duration, callback, easing); return this; }, // overridden Element method - setSize : function(w, h, a, d, c, e){ + setSize: function(w, h, animate, duration, callback, easing) { + // Callback will restore shadow state and call the passed callback + callback = this.createCB(callback); + this.beforeAction(); - var cb = this.createCB(c); - supr.setSize.call(this, w, h, a, d, cb, e); - if(!a){ - cb(); + this.callParent([w, h, animate, duration, callback, easing]); + if (!animate) { + callback(); } return this; }, // overridden Element method - setWidth : function(w, a, d, c, e){ + setWidth: function(w, animate, duration, callback, easing) { + // Callback will restore shadow state and call the passed callback + callback = this.createCB(callback); + this.beforeAction(); - var cb = this.createCB(c); - supr.setWidth.call(this, w, a, d, cb, e); - if(!a){ - cb(); + this.callParent([w, animate, duration, callback, easing]); + if (!animate) { + callback(); } return this; }, // overridden Element method - setHeight : function(h, a, d, c, e){ + setHeight: function(h, animate, duration, callback, easing) { + // Callback will restore shadow state and call the passed callback + callback = this.createCB(callback); + this.beforeAction(); - var cb = this.createCB(c); - supr.setHeight.call(this, h, a, d, cb, e); - if(!a){ - cb(); + this.callParent([h, animate, duration, callback, easing]); + if (!animate) { + callback(); } return this; }, // overridden Element method - setBounds : function(x, y, w, h, a, d, c, e){ + setBounds: function(x, y, width, height, animate, duration, callback, easing) { + // Callback will restore shadow state and call the passed callback + callback = this.createCB(callback); + this.beforeAction(); - var cb = this.createCB(c); - if(!a){ - this.storeXY([x, y]); - supr.setXY.call(this, [x, y]); - supr.setSize.call(this, w, h, a, d, cb, e); - cb(); - }else{ - supr.setBounds.call(this, x, y, w, h, a, d, cb, e); + if (!animate) { + Ext.Layer.superclass.setXY.call(this, [x, y]); + Ext.Layer.superclass.setSize.call(this, width, height); + callback(); + } else { + this.callParent([x, y, width, height, animate, duration, callback, easing]); } return this; }, - /** - * Sets the z-index of this layer and adjusts any shadow and shim z-indexes. The layer z-index is automatically - * incremented by two more than the value passed in so that it always shows above any shadow or shim (the shadow - * element, if any, will be assigned z-index + 1, and the shim element, if any, will be assigned the unmodified z-index). + /** + * <p>Sets the z-index of this layer and adjusts any shadow and shim z-indexes. The layer z-index is automatically + * incremented depending upon the presence of a shim or a shadow in so that it always shows above those two associated elements.</p> + * <p>Any shim, will be assigned the passed z-index. A shadow will be assigned the next highet z-index, and the Layer's + * element will receive the highest z-index. * @param {Number} zindex The new z-index to set * @return {this} The Layer */ - setZIndex : function(zindex){ + setZIndex: function(zindex) { this.zindex = zindex; - this.setStyle('z-index', zindex + 2); - if(this.shadow){ - this.shadow.setZIndex(zindex + 1); + if (this.getShim()) { + this.shim.setStyle('z-index', zindex++); } - if(this.shim){ - this.shim.setStyle('z-index', zindex); + if (this.shadow) { + this.shadow.setZIndex(zindex++); } + this.setStyle('z-index', zindex); return this; } }); -})(); -- - \ No newline at end of file +