X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/7a654f8d43fdb43d78b63d90528bed6e86b608cc..HEAD:/docs/source/Element.static-more.html
diff --git a/docs/source/Element.static-more.html b/docs/source/Element.static-more.html
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@@ -1 +1,310 @@
-Sencha Documentation Project
\ No newline at end of file
+
+
+
+
+ The source code
+
+
+
+
+
+
+ /**
+ * @class Ext.Element
+ */
+(function(){
+ var doc = document,
+ activeElement = null,
+ isCSS1 = doc.compatMode == "CSS1Compat",
+ ELEMENT = Ext.Element,
+ fly = function(el){
+ if (!_fly) {
+ _fly = new Ext.Element.Flyweight();
+ }
+ _fly.dom = el;
+ return _fly;
+ }, _fly;
+
+ // If the browser does not support document.activeElement we need some assistance.
+ // This covers old Safari 3.2 (4.0 added activeElement along with just about all
+ // other browsers). We need this support to handle issues with old Safari.
+ if (!('activeElement' in doc) && doc.addEventListener) {
+ doc.addEventListener('focus',
+ function (ev) {
+ if (ev && ev.target) {
+ activeElement = (ev.target == doc) ? null : ev.target;
+ }
+ }, true);
+ }
+
+ /*
+ * Helper function to create the function that will restore the selection.
+ */
+ function makeSelectionRestoreFn (activeEl, start, end) {
+ return function () {
+ activeEl.selectionStart = start;
+ activeEl.selectionEnd = end;
+ };
+ }
+
+ Ext.apply(ELEMENT, {
+ isAncestor : function(p, c) {
+ var ret = false;
+
+ p = Ext.getDom(p);
+ c = Ext.getDom(c);
+ if (p && c) {
+ if (p.contains) {
+ return p.contains(c);
+ } else if (p.compareDocumentPosition) {
+ return !!(p.compareDocumentPosition(c) & 16);
+ } else {
+ while ((c = c.parentNode)) {
+ ret = c == p || ret;
+ }
+ }
+ }
+ return ret;
+ },
+
+ /**
+ * Returns the active element in the DOM. If the browser supports activeElement
+ * on the document, this is returned. If not, the focus is tracked and the active
+ * element is maintained internally.
+ * @return {HTMLElement} The active (focused) element in the document.
+ */
+ getActiveElement: function () {
+ return doc.activeElement || activeElement;
+ },
+
+ /**
+ * Creates a function to call to clean up problems with the work-around for the
+ * WebKit RightMargin bug. The work-around is to add "display: 'inline-block'" to
+ * the element before calling getComputedStyle and then to restore its original
+ * display value. The problem with this is that it corrupts the selection of an
+ * INPUT or TEXTAREA element (as in the "I-beam" goes away but ths focus remains).
+ * To cleanup after this, we need to capture the selection of any such element and
+ * then restore it after we have restored the display style.
+ *
+ * @param target {Element} The top-most element being adjusted.
+ * @private
+ */
+ getRightMarginFixCleaner: function (target) {
+ var supports = Ext.supports,
+ hasInputBug = supports.DisplayChangeInputSelectionBug,
+ hasTextAreaBug = supports.DisplayChangeTextAreaSelectionBug;
+
+ if (hasInputBug || hasTextAreaBug) {
+ var activeEl = doc.activeElement || activeElement, // save a call
+ tag = activeEl && activeEl.tagName,
+ start,
+ end;
+
+ if ((hasTextAreaBug && tag == 'TEXTAREA') ||
+ (hasInputBug && tag == 'INPUT' && activeEl.type == 'text')) {
+ if (ELEMENT.isAncestor(target, activeEl)) {
+ start = activeEl.selectionStart;
+ end = activeEl.selectionEnd;
+
+ if (Ext.isNumber(start) && Ext.isNumber(end)) { // to be safe...
+ // We don't create the raw closure here inline because that
+ // will be costly even if we don't want to return it (nested
+ // function decls and exprs are often instantiated on entry
+ // regardless of whether execution ever reaches them):
+ return makeSelectionRestoreFn(activeEl, start, end);
+ }
+ }
+ }
+ }
+
+ return Ext.emptyFn; // avoid special cases, just return a nop
+ },
+
+ getViewWidth : function(full) {
+ return full ? ELEMENT.getDocumentWidth() : ELEMENT.getViewportWidth();
+ },
+
+ getViewHeight : function(full) {
+ return full ? ELEMENT.getDocumentHeight() : ELEMENT.getViewportHeight();
+ },
+
+ getDocumentHeight: function() {
+ return Math.max(!isCSS1 ? doc.body.scrollHeight : doc.documentElement.scrollHeight, ELEMENT.getViewportHeight());
+ },
+
+ getDocumentWidth: function() {
+ return Math.max(!isCSS1 ? doc.body.scrollWidth : doc.documentElement.scrollWidth, ELEMENT.getViewportWidth());
+ },
+
+ getViewportHeight: function(){
+ return Ext.isIE ?
+ (Ext.isStrict ? doc.documentElement.clientHeight : doc.body.clientHeight) :
+ self.innerHeight;
+ },
+
+ getViewportWidth : function() {
+ return (!Ext.isStrict && !Ext.isOpera) ? doc.body.clientWidth :
+ Ext.isIE ? doc.documentElement.clientWidth : self.innerWidth;
+ },
+
+ getY : function(el) {
+ return ELEMENT.getXY(el)[1];
+ },
+
+ getX : function(el) {
+ return ELEMENT.getXY(el)[0];
+ },
+
+ getOffsetParent: function (el) {
+ el = Ext.getDom(el);
+ try {
+ // accessing offsetParent can throw "Unspecified Error" in IE6-8 (not 9)
+ return el.offsetParent;
+ } catch (e) {
+ var body = document.body; // safe bet, unless...
+ return (el == body) ? null : body;
+ }
+ },
+
+ getXY : function(el) {
+ var p,
+ pe,
+ b,
+ bt,
+ bl,
+ dbd,
+ x = 0,
+ y = 0,
+ scroll,
+ hasAbsolute,
+ bd = (doc.body || doc.documentElement),
+ ret;
+
+ el = Ext.getDom(el);
+
+ if(el != bd){
+ hasAbsolute = fly(el).isStyle("position", "absolute");
+
+ if (el.getBoundingClientRect) {
+ try {
+ b = el.getBoundingClientRect();
+ scroll = fly(document).getScroll();
+ ret = [ Math.round(b.left + scroll.left), Math.round(b.top + scroll.top) ];
+ } catch (e) {
+ // IE6-8 can also throw from getBoundingClientRect...
+ }
+ }
+
+ if (!ret) {
+ for (p = el; p; p = ELEMENT.getOffsetParent(p)) {
+ pe = fly(p);
+ x += p.offsetLeft;
+ y += p.offsetTop;
+
+ hasAbsolute = hasAbsolute || pe.isStyle("position", "absolute");
+
+ if (Ext.isGecko) {
+ y += bt = parseInt(pe.getStyle("borderTopWidth"), 10) || 0;
+ x += bl = parseInt(pe.getStyle("borderLeftWidth"), 10) || 0;
+
+ if (p != el && !pe.isStyle('overflow','visible')) {
+ x += bl;
+ y += bt;
+ }
+ }
+ }
+
+ if (Ext.isSafari && hasAbsolute) {
+ x -= bd.offsetLeft;
+ y -= bd.offsetTop;
+ }
+
+ if (Ext.isGecko && !hasAbsolute) {
+ dbd = fly(bd);
+ x += parseInt(dbd.getStyle("borderLeftWidth"), 10) || 0;
+ y += parseInt(dbd.getStyle("borderTopWidth"), 10) || 0;
+ }
+
+ p = el.parentNode;
+ while (p && p != bd) {
+ if (!Ext.isOpera || (p.tagName != 'TR' && !fly(p).isStyle("display", "inline"))) {
+ x -= p.scrollLeft;
+ y -= p.scrollTop;
+ }
+ p = p.parentNode;
+ }
+ ret = [x,y];
+ }
+ }
+ return ret || [0,0];
+ },
+
+ setXY : function(el, xy) {
+ (el = Ext.fly(el, '_setXY')).position();
+
+ var pts = el.translatePoints(xy),
+ style = el.dom.style,
+ pos;
+
+ for (pos in pts) {
+ if (!isNaN(pts[pos])) {
+ style[pos] = pts[pos] + "px";
+ }
+ }
+ },
+
+ setX : function(el, x) {
+ ELEMENT.setXY(el, [x, false]);
+ },
+
+ setY : function(el, y) {
+ ELEMENT.setXY(el, [false, y]);
+ },
+
+ /**
+ * Serializes a DOM form into a url encoded string
+ * @param {Object} form The form
+ * @return {String} The url encoded form
+ */
+ serializeForm: function(form) {
+ var fElements = form.elements || (document.forms[form] || Ext.getDom(form)).elements,
+ hasSubmit = false,
+ encoder = encodeURIComponent,
+ name,
+ data = '',
+ type,
+ hasValue;
+
+ Ext.each(fElements, function(element){
+ name = element.name;
+ type = element.type;
+
+ if (!element.disabled && name) {
+ if (/select-(one|multiple)/i.test(type)) {
+ Ext.each(element.options, function(opt){
+ if (opt.selected) {
+ hasValue = opt.hasAttribute ? opt.hasAttribute('value') : opt.getAttributeNode('value').specified;
+ data += Ext.String.format("{0}={1}&", encoder(name), encoder(hasValue ? opt.value : opt.text));
+ }
+ });
+ } else if (!(/file|undefined|reset|button/i.test(type))) {
+ if (!(/radio|checkbox/i.test(type) && !element.checked) && !(type == 'submit' && hasSubmit)) {
+ data += encoder(name) + '=' + encoder(element.value) + '&';
+ hasSubmit = /submit/i.test(type);
+ }
+ }
+ }
+ });
+ return data.substr(0, data.length - 1);
+ }
+ });
+})();
+
+
+