X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/ee06f37b0f6f6d94cd05a6ffae556660f7c4a2bc..c930e9176a5a85509c5b0230e2bff5c22a591432:/docs/source/Element.fx-more.html
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+
+
+ The source code
+
+
+
+
+ /**
+ * @class Ext.Element
+ */
+Ext.Element.addMethods(
+function(){
+ var VISIBILITY = "visibility",
+ DISPLAY = "display",
+ HIDDEN = "hidden",
+ NONE = "none",
+ XMASKED = "x-masked",
+ XMASKEDRELATIVE = "x-masked-relative",
+ data = Ext.Element.data;
+
+ return {
+ /**
+ * Checks whether the element is currently visible using both visibility and display properties.
+ * @param {Boolean} deep (optional) True to walk the dom and see if parent elements are hidden (defaults to false)
+ * @return {Boolean} True if the element is currently visible, else false
+ */
+ isVisible : function(deep) {
+ var vis = !this.isStyle(VISIBILITY,HIDDEN) && !this.isStyle(DISPLAY,NONE),
+ p = this.dom.parentNode;
+ if(deep !== true || !vis){
+ return vis;
+ }
+ while(p && !/body/i.test(p.tagName)){
+ if(!Ext.fly(p, '_isVisible').isVisible()){
+ return false;
+ }
+ p = p.parentNode;
+ }
+ return true;
+ },
+
+ /**
+ * Returns true if display is not "none"
+ * @return {Boolean}
+ */
+ isDisplayed : function() {
+ return !this.isStyle(DISPLAY, NONE);
+ },
+
+ /**
+ * Convenience method for setVisibilityMode(Element.DISPLAY)
+ * @param {String} display (optional) What to set display to when visible
+ * @return {Ext.Element} this
+ */
+ enableDisplayMode : function(display){
+ this.setVisibilityMode(Ext.Element.DISPLAY);
+ if(!Ext.isEmpty(display)){
+ data(this.dom, 'originalDisplay', display);
+ }
+ return this;
+ },
+
+ /**
+ * Puts a mask over this element to disable user interaction. Requires core.css.
+ * This method can only be applied to elements which accept child nodes.
+ * @param {String} msg (optional) A message to display in the mask
+ * @param {String} msgCls (optional) A css class to apply to the msg element
+ * @return {Element} The mask element
+ */
+ mask : function(msg, msgCls){
+ var me = this,
+ dom = me.dom,
+ dh = Ext.DomHelper,
+ EXTELMASKMSG = "ext-el-mask-msg",
+ el,
+ mask;
+
+ if(me.getStyle("position") == "static"){
+ me.addClass(XMASKEDRELATIVE);
+ }
+ if((el = data(dom, 'maskMsg'))){
+ el.remove();
+ }
+ if((el = data(dom, 'mask'))){
+ el.remove();
+ }
+
+ mask = dh.append(dom, {cls : "ext-el-mask"}, true);
+ data(dom, 'mask', mask);
+
+ me.addClass(XMASKED);
+ mask.setDisplayed(true);
+ if(typeof msg == 'string'){
+ var mm = dh.append(dom, {cls : EXTELMASKMSG, cn:{tag:'div'}}, true);
+ data(dom, 'maskMsg', mm);
+ mm.dom.className = msgCls ? EXTELMASKMSG + " " + msgCls : EXTELMASKMSG;
+ mm.dom.firstChild.innerHTML = msg;
+ mm.setDisplayed(true);
+ mm.center(me);
+ }
+ if(Ext.isIE && !(Ext.isIE7 && Ext.isStrict) && me.getStyle('height') == 'auto'){ // ie will not expand full height automatically
+ mask.setSize(undefined, me.getHeight());
+ }
+ return mask;
+ },
+
+ /**
+ * Removes a previously applied mask.
+ */
+ unmask : function(){
+ var me = this,
+ dom = me.dom,
+ mask = data(dom, 'mask'),
+ maskMsg = data(dom, 'maskMsg');
+ if(mask){
+ if(maskMsg){
+ maskMsg.remove();
+ data(dom, 'maskMsg', undefined);
+ }
+ mask.remove();
+ data(dom, 'mask', undefined);
+ }
+ me.removeClass([XMASKED, XMASKEDRELATIVE]);
+ },
+
+ /**
+ * Returns true if this element is masked
+ * @return {Boolean}
+ */
+ isMasked : function(){
+ var m = data(this.dom, 'mask');
+ return m && m.isVisible();
+ },
+
+ /**
+ * Creates an iframe shim for this element to keep selects and other windowed objects from
+ * showing through.
+ * @return {Ext.Element} The new shim element
+ */
+ createShim : function(){
+ var el = document.createElement('iframe'),
+ shim;
+ el.frameBorder = '0';
+ el.className = 'ext-shim';
+ if(Ext.isIE && Ext.isSecure){
+ el.src = Ext.SSL_SECURE_URL;
+ }
+ shim = Ext.get(this.dom.parentNode.insertBefore(el, this.dom));
+ shim.autoBoxAdjust = false;
+ return shim;
+ }
+ };
+}());
+
+
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