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Diffstat (limited to '')
| -rw-r--r-- | js/dojo-1.6/dojo/window.js | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/js/dojo-1.6/dojo/window.js b/js/dojo-1.6/dojo/window.js new file mode 100644 index 0000000..3dc4403 --- /dev/null +++ b/js/dojo-1.6/dojo/window.js @@ -0,0 +1,146 @@ +/*
+ Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
+ Available via Academic Free License >= 2.1 OR the modified BSD license.
+ see: http://dojotoolkit.org/license for details
+*/
+
+
+if(!dojo._hasResource["dojo.window"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojo.window"] = true;
+dojo.provide("dojo.window");
+
+
+dojo.getObject("window", true, dojo);
+
+dojo.window.getBox = function(){
+ // summary:
+ // Returns the dimensions and scroll position of the viewable area of a browser window
+
+ var scrollRoot = (dojo.doc.compatMode == 'BackCompat') ? dojo.body() : dojo.doc.documentElement;
+
+ // get scroll position
+ var scroll = dojo._docScroll(); // scrollRoot.scrollTop/Left should work
+ return { w: scrollRoot.clientWidth, h: scrollRoot.clientHeight, l: scroll.x, t: scroll.y };
+};
+
+dojo.window.get = function(doc){
+ // summary:
+ // Get window object associated with document doc
+
+ // In some IE versions (at least 6.0), document.parentWindow does not return a
+ // reference to the real window object (maybe a copy), so we must fix it as well
+ // We use IE specific execScript to attach the real window reference to
+ // document._parentWindow for later use
+ if(dojo.isIE && window !== document.parentWindow){
+ /*
+ In IE 6, only the variable "window" can be used to connect events (others
+ may be only copies).
+ */
+ doc.parentWindow.execScript("document._parentWindow = window;", "Javascript");
+ //to prevent memory leak, unset it after use
+ //another possibility is to add an onUnload handler which seems overkill to me (liucougar)
+ var win = doc._parentWindow;
+ doc._parentWindow = null;
+ return win; // Window
+ }
+
+ return doc.parentWindow || doc.defaultView; // Window
+};
+
+dojo.window.scrollIntoView = function(/*DomNode*/ node, /*Object?*/ pos){
+ // summary:
+ // Scroll the passed node into view, if it is not already.
+
+ // don't rely on node.scrollIntoView working just because the function is there
+
+ try{ // catch unexpected/unrecreatable errors (#7808) since we can recover using a semi-acceptable native method
+ node = dojo.byId(node);
+ var doc = node.ownerDocument || dojo.doc,
+ body = doc.body || dojo.body(),
+ html = doc.documentElement || body.parentNode,
+ isIE = dojo.isIE, isWK = dojo.isWebKit;
+ // if an untested browser, then use the native method
+ if((!(dojo.isMoz || isIE || isWK || dojo.isOpera) || node == body || node == html) && (typeof node.scrollIntoView != "undefined")){
+ node.scrollIntoView(false); // short-circuit to native if possible
+ return;
+ }
+ var backCompat = doc.compatMode == 'BackCompat',
+ clientAreaRoot = backCompat? body : html,
+ scrollRoot = isWK ? body : clientAreaRoot,
+ rootWidth = clientAreaRoot.clientWidth,
+ rootHeight = clientAreaRoot.clientHeight,
+ rtl = !dojo._isBodyLtr(),
+ nodePos = pos || dojo.position(node),
+ el = node.parentNode,
+ isFixed = function(el){
+ return ((isIE <= 6 || (isIE && backCompat))? false : (dojo.style(el, 'position').toLowerCase() == "fixed"));
+ };
+ if(isFixed(node)){ return; } // nothing to do
+
+ while(el){
+ if(el == body){ el = scrollRoot; }
+ var elPos = dojo.position(el),
+ fixedPos = isFixed(el);
+
+ if(el == scrollRoot){
+ elPos.w = rootWidth; elPos.h = rootHeight;
+ if(scrollRoot == html && isIE && rtl){ elPos.x += scrollRoot.offsetWidth-elPos.w; } // IE workaround where scrollbar causes negative x
+ if(elPos.x < 0 || !isIE){ elPos.x = 0; } // IE can have values > 0
+ if(elPos.y < 0 || !isIE){ elPos.y = 0; }
+ }else{
+ var pb = dojo._getPadBorderExtents(el);
+ elPos.w -= pb.w; elPos.h -= pb.h; elPos.x += pb.l; elPos.y += pb.t;
+ }
+
+ if(el != scrollRoot){ // body, html sizes already have the scrollbar removed
+ var clientSize = el.clientWidth,
+ scrollBarSize = elPos.w - clientSize;
+ if(clientSize > 0 && scrollBarSize > 0){
+ elPos.w = clientSize;
+ if(isIE && rtl){ elPos.x += scrollBarSize; }
+ }
+ clientSize = el.clientHeight;
+ scrollBarSize = elPos.h - clientSize;
+ if(clientSize > 0 && scrollBarSize > 0){
+ elPos.h = clientSize;
+ }
+ }
+ if(fixedPos){ // bounded by viewport, not parents
+ if(elPos.y < 0){
+ elPos.h += elPos.y; elPos.y = 0;
+ }
+ if(elPos.x < 0){
+ elPos.w += elPos.x; elPos.x = 0;
+ }
+ if(elPos.y + elPos.h > rootHeight){
+ elPos.h = rootHeight - elPos.y;
+ }
+ if(elPos.x + elPos.w > rootWidth){
+ elPos.w = rootWidth - elPos.x;
+ }
+ }
+ // calculate overflow in all 4 directions
+ var l = nodePos.x - elPos.x, // beyond left: < 0
+ t = nodePos.y - Math.max(elPos.y, 0), // beyond top: < 0
+ r = l + nodePos.w - elPos.w, // beyond right: > 0
+ bot = t + nodePos.h - elPos.h; // beyond bottom: > 0
+ if(r * l > 0){
+ var s = Math[l < 0? "max" : "min"](l, r);
+ nodePos.x += el.scrollLeft;
+ el.scrollLeft += (isIE >= 8 && !backCompat && rtl)? -s : s;
+ nodePos.x -= el.scrollLeft;
+ }
+ if(bot * t > 0){
+ nodePos.y += el.scrollTop;
+ el.scrollTop += Math[t < 0? "max" : "min"](t, bot);
+ nodePos.y -= el.scrollTop;
+ }
+ el = (el != scrollRoot) && !fixedPos && el.parentNode;
+ }
+ }catch(error){
+ console.error('scrollIntoView: ' + error);
+ node.scrollIntoView(false);
+ }
+};
+
+}
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