X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/c930e9176a5a85509c5b0230e2bff5c22a591432..530ef4b6c5b943cfa68b779d11cf7de29aa878bf:/docs/source/Element.alignment.html?ds=sidebyside diff --git a/docs/source/Element.alignment.html b/docs/source/Element.alignment.html index 095d5483..951017fe 100644 --- a/docs/source/Element.alignment.html +++ b/docs/source/Element.alignment.html @@ -1,374 +1,422 @@ - -
-/** - * @class Ext.Element - */ -Ext.Element.addMethods({ - /** - * Gets the x,y coordinates specified by the anchor position on the element. - * @param {String} anchor (optional) The specified anchor position (defaults to "c"). See {@link #alignTo} - * for details on supported anchor positions. - * @param {Boolean} local (optional) True to get the local (element top/left-relative) anchor position instead - * of page coordinates - * @param {Object} size (optional) An object containing the size to use for calculating anchor position - * {width: (target width), height: (target height)} (defaults to the element's current size) - * @return {Array} [x, y] An array containing the element's x and y coordinates - */ - getAnchorXY : function(anchor, local, s){ - //Passing a different size is useful for pre-calculating anchors, - //especially for anchored animations that change the el size. - anchor = (anchor || "tl").toLowerCase(); - s = s || {}; - - var me = this, - vp = me.dom == document.body || me.dom == document, - w = s.width || vp ? Ext.lib.Dom.getViewWidth() : me.getWidth(), - h = s.height || vp ? Ext.lib.Dom.getViewHeight() : me.getHeight(), - xy, - r = Math.round, - o = me.getXY(), - scroll = me.getScroll(), - extraX = vp ? scroll.left : !local ? o[0] : 0, - extraY = vp ? scroll.top : !local ? o[1] : 0, - hash = { - c : [r(w * 0.5), r(h * 0.5)], - t : [r(w * 0.5), 0], - l : [0, r(h * 0.5)], - r : [w, r(h * 0.5)], - b : [r(w * 0.5), h], - tl : [0, 0], - bl : [0, h], - br : [w, h], - tr : [w, 0] - }; - - xy = hash[anchor]; - return [xy[0] + extraX, xy[1] + extraY]; - }, - - /** - * Anchors an element to another element and realigns it when the window is resized. - * @param {Mixed} element The element to align to. - * @param {String} position The position to align to. - * @param {Array} offsets (optional) Offset the positioning by [x, y] - * @param {Boolean/Object} animate (optional) True for the default animation or a standard Element animation config object - * @param {Boolean/Number} monitorScroll (optional) True to monitor body scroll and reposition. If this parameter - * is a number, it is used as the buffer delay (defaults to 50ms). - * @param {Function} callback The function to call after the animation finishes - * @return {Ext.Element} this - */ - anchorTo : function(el, alignment, offsets, animate, monitorScroll, callback){ - var me = this, - dom = me.dom; - - function action(){ - Ext.fly(dom).alignTo(el, alignment, offsets, animate); - Ext.callback(callback, Ext.fly(dom)); - } - - Ext.EventManager.onWindowResize(action, me); - - if(!Ext.isEmpty(monitorScroll)){ - Ext.EventManager.on(window, 'scroll', action, me, - {buffer: !isNaN(monitorScroll) ? monitorScroll : 50}); - } - action.call(me); // align immediately - return me; - }, - - /** - * Gets the x,y coordinates to align this element with another element. See {@link #alignTo} for more info on the - * supported position values. - * @param {Mixed} element The element to align to. - * @param {String} position The position to align to. - * @param {Array} offsets (optional) Offset the positioning by [x, y] - * @return {Array} [x, y] - */ - getAlignToXY : function(el, p, o){ - el = Ext.get(el); - - if(!el || !el.dom){ - throw "Element.alignToXY with an element that doesn't exist"; - } - - o = o || [0,0]; - p = (p == "?" ? "tl-bl?" : (!/-/.test(p) && p !== "" ? "tl-" + p : p || "tl-bl")).toLowerCase(); - - var me = this, - d = me.dom, - a1, - a2, - x, - y, - //constrain the aligned el to viewport if necessary - w, - h, - r, - dw = Ext.lib.Dom.getViewWidth() -10, // 10px of margin for ie - dh = Ext.lib.Dom.getViewHeight()-10, // 10px of margin for ie - p1y, - p1x, - p2y, - p2x, - swapY, - swapX, - doc = document, - docElement = doc.documentElement, - docBody = doc.body, - scrollX = (docElement.scrollLeft || docBody.scrollLeft || 0)+5, - scrollY = (docElement.scrollTop || docBody.scrollTop || 0)+5, - c = false, //constrain to viewport - p1 = "", - p2 = "", - m = p.match(/^([a-z]+)-([a-z]+)(\?)?$/); - - if(!m){ - throw "Element.alignTo with an invalid alignment " + p; - } - - p1 = m[1]; - p2 = m[2]; - c = !!m[3]; - - //Subtract the aligned el's internal xy from the target's offset xy - //plus custom offset to get the aligned el's new offset xy - a1 = me.getAnchorXY(p1, true); - a2 = el.getAnchorXY(p2, false); - - x = a2[0] - a1[0] + o[0]; - y = a2[1] - a1[1] + o[1]; - - if(c){ - w = me.getWidth(); - h = me.getHeight(); - r = el.getRegion(); - //If we are at a viewport boundary and the aligned el is anchored on a target border that is - //perpendicular to the vp border, allow the aligned el to slide on that border, - //otherwise swap the aligned el to the opposite border of the target. - p1y = p1.charAt(0); - p1x = p1.charAt(p1.length-1); - p2y = p2.charAt(0); - p2x = p2.charAt(p2.length-1); - swapY = ((p1y=="t" && p2y=="b") || (p1y=="b" && p2y=="t")); - swapX = ((p1x=="r" && p2x=="l") || (p1x=="l" && p2x=="r")); - - - if (x + w > dw + scrollX) { - x = swapX ? r.left-w : dw+scrollX-w; - } - if (x < scrollX) { - x = swapX ? r.right : scrollX; - } - if (y + h > dh + scrollY) { - y = swapY ? r.top-h : dh+scrollY-h; - } - if (y < scrollY){ - y = swapY ? r.bottom : scrollY; - } - } - return [x,y]; - }, - - /** - * Aligns this element with another element relative to the specified anchor points. If the other element is the - * document it aligns it to the viewport. - * The position parameter is optional, and can be specified in any one of the following formats: - *
-Value Description ------ ----------------------------- -tl The top left corner (default) -t The center of the top edge -tr The top right corner -l The center of the left edge -c In the center of the element -r The center of the right edge -bl The bottom left corner -b The center of the bottom edge -br The bottom right corner --Example Usage: -
-// align el to other-el using the default positioning ("tl-bl", non-constrained)
-el.alignTo("other-el");
-
-// align the top left corner of el with the top right corner of other-el (constrained to viewport)
-el.alignTo("other-el", "tr?");
-
-// align the bottom right corner of el with the center left edge of other-el
-el.alignTo("other-el", "br-l?");
-
-// align the center of el with the bottom left corner of other-el and
-// adjust the x position by -6 pixels (and the y position by 0)
-el.alignTo("other-el", "c-bl", [-6, 0]);
-
- * @param {Mixed} element The element to align to.
- * @param {String} position The position to align to.
- * @param {Array} offsets (optional) Offset the positioning by [x, y]
- * @param {Boolean/Object} animate (optional) true for the default animation or a standard Element animation config object
- * @return {Ext.Element} this
- */
- alignTo : function(element, position, offsets, animate){
- var me = this;
- return me.setXY(me.getAlignToXY(element, position, offsets),
- me.preanim && !!animate ? me.preanim(arguments, 3) : false);
- },
-
- // private ==> used outside of core
- adjustForConstraints : function(xy, parent, offsets){
- return this.getConstrainToXY(parent || document, false, offsets, xy) || xy;
- },
-
- // private ==> used outside of core
- getConstrainToXY : function(el, local, offsets, proposedXY){
- var os = {top:0, left:0, bottom:0, right: 0};
-
- return function(el, local, offsets, proposedXY){
- el = Ext.get(el);
- offsets = offsets ? Ext.applyIf(offsets, os) : os;
-
- var vw, vh, vx = 0, vy = 0;
- if(el.dom == document.body || el.dom == document){
- vw =Ext.lib.Dom.getViewWidth();
- vh = Ext.lib.Dom.getViewHeight();
- }else{
- vw = el.dom.clientWidth;
- vh = el.dom.clientHeight;
- if(!local){
- var vxy = el.getXY();
- vx = vxy[0];
- vy = vxy[1];
- }
- }
-
- var s = el.getScroll();
-
- vx += offsets.left + s.left;
- vy += offsets.top + s.top;
-
- vw -= offsets.right;
- vh -= offsets.bottom;
-
- var vr = vx+vw;
- var vb = vy+vh;
-
- var xy = proposedXY || (!local ? this.getXY() : [this.getLeft(true), this.getTop(true)]);
- var x = xy[0], y = xy[1];
- var w = this.dom.offsetWidth, h = this.dom.offsetHeight;
-
- // only move it if it needs it
- var moved = false;
-
- // first validate right/bottom
- if((x + w) > vr){
- x = vr - w;
- moved = true;
- }
- if((y + h) > vb){
- y = vb - h;
- moved = true;
- }
- // then make sure top/left isn't negative
- if(x < vx){
- x = vx;
- moved = true;
- }
- if(y < vy){
- y = vy;
- moved = true;
- }
- return moved ? [x, y] : false;
- };
- }(),
-
-
-
-// el = Ext.get(el);
-// offsets = Ext.applyIf(offsets || {}, {top : 0, left : 0, bottom : 0, right : 0});
-
-// var me = this,
-// doc = document,
-// s = el.getScroll(),
-// vxy = el.getXY(),
-// vx = offsets.left + s.left,
-// vy = offsets.top + s.top,
-// vw = -offsets.right,
-// vh = -offsets.bottom,
-// vr,
-// vb,
-// xy = proposedXY || (!local ? me.getXY() : [me.getLeft(true), me.getTop(true)]),
-// x = xy[0],
-// y = xy[1],
-// w = me.dom.offsetWidth, h = me.dom.offsetHeight,
-// moved = false; // only move it if it needs it
-//
-//
-// if(el.dom == doc.body || el.dom == doc){
-// vw += Ext.lib.Dom.getViewWidth();
-// vh += Ext.lib.Dom.getViewHeight();
-// }else{
-// vw += el.dom.clientWidth;
-// vh += el.dom.clientHeight;
-// if(!local){
-// vx += vxy[0];
-// vy += vxy[1];
-// }
-// }
-
-// // first validate right/bottom
-// if(x + w > vx + vw){
-// x = vx + vw - w;
-// moved = true;
-// }
-// if(y + h > vy + vh){
-// y = vy + vh - h;
-// moved = true;
-// }
-// // then make sure top/left isn't negative
-// if(x < vx){
-// x = vx;
-// moved = true;
-// }
-// if(y < vy){
-// y = vy;
-// moved = true;
-// }
-// return moved ? [x, y] : false;
-// },
-
- /**
- * Calculates the x, y to center this element on the screen
- * @return {Array} The x, y values [x, y]
- */
- getCenterXY : function(){
- return this.getAlignToXY(document, 'c-c');
- },
-
- /**
- * Centers the Element in either the viewport, or another Element.
- * @param {Mixed} centerIn (optional) The element in which to center the element.
- */
- center : function(centerIn){
- return this.alignTo(centerIn || document, 'c-c');
- }
-});
-
-
+
+
+
+ /*! + * Ext JS Library 3.2.1 + * Copyright(c) 2006-2010 Ext JS, Inc. + * licensing@extjs.com + * http://www.extjs.com/license + */ +/** + * @class Ext.Element + */ +Ext.Element.addMethods({ + /** + * Gets the x,y coordinates specified by the anchor position on the element. + * @param {String} anchor (optional) The specified anchor position (defaults to "c"). See {@link #alignTo} + * for details on supported anchor positions. + * @param {Boolean} local (optional) True to get the local (element top/left-relative) anchor position instead + * of page coordinates + * @param {Object} size (optional) An object containing the size to use for calculating anchor position + * {width: (target width), height: (target height)} (defaults to the element's current size) + * @return {Array} [x, y] An array containing the element's x and y coordinates + */ + getAnchorXY : function(anchor, local, s){ + //Passing a different size is useful for pre-calculating anchors, + //especially for anchored animations that change the el size. + anchor = (anchor || "tl").toLowerCase(); + s = s || {}; + + var me = this, + vp = me.dom == document.body || me.dom == document, + w = s.width || vp ? Ext.lib.Dom.getViewWidth() : me.getWidth(), + h = s.height || vp ? Ext.lib.Dom.getViewHeight() : me.getHeight(), + xy, + r = Math.round, + o = me.getXY(), + scroll = me.getScroll(), + extraX = vp ? scroll.left : !local ? o[0] : 0, + extraY = vp ? scroll.top : !local ? o[1] : 0, + hash = { + c : [r(w * 0.5), r(h * 0.5)], + t : [r(w * 0.5), 0], + l : [0, r(h * 0.5)], + r : [w, r(h * 0.5)], + b : [r(w * 0.5), h], + tl : [0, 0], + bl : [0, h], + br : [w, h], + tr : [w, 0] + }; + + xy = hash[anchor]; + return [xy[0] + extraX, xy[1] + extraY]; + }, + + /** + * Anchors an element to another element and realigns it when the window is resized. + * @param {Mixed} element The element to align to. + * @param {String} position The position to align to. + * @param {Array} offsets (optional) Offset the positioning by [x, y] + * @param {Boolean/Object} animate (optional) True for the default animation or a standard Element animation config object + * @param {Boolean/Number} monitorScroll (optional) True to monitor body scroll and reposition. If this parameter + * is a number, it is used as the buffer delay (defaults to 50ms). + * @param {Function} callback The function to call after the animation finishes + * @return {Ext.Element} this + */ + anchorTo : function(el, alignment, offsets, animate, monitorScroll, callback){ + var me = this, + dom = me.dom, + scroll = !Ext.isEmpty(monitorScroll), + action = function(){ + Ext.fly(dom).alignTo(el, alignment, offsets, animate); + Ext.callback(callback, Ext.fly(dom)); + }, + anchor = this.getAnchor(); + + // previous listener anchor, remove it + this.removeAnchor(); + Ext.apply(anchor, { + fn: action, + scroll: scroll + }); + + Ext.EventManager.onWindowResize(action, null); + + if(scroll){ + Ext.EventManager.on(window, 'scroll', action, null, + {buffer: !isNaN(monitorScroll) ? monitorScroll : 50}); + } + action.call(me); // align immediately + return me; + }, + + /** + * Remove any anchor to this element. See {@link #anchorTo}. + * @return {Ext.Element} this + */ + removeAnchor : function(){ + var me = this, + anchor = this.getAnchor(); + + if(anchor && anchor.fn){ + Ext.EventManager.removeResizeListener(anchor.fn); + if(anchor.scroll){ + Ext.EventManager.un(window, 'scroll', anchor.fn); + } + delete anchor.fn; + } + return me; + }, + + // private + getAnchor : function(){ + var data = Ext.Element.data, + dom = this.dom; + if (!dom) { + return; + } + var anchor = data(dom, '_anchor'); + + if(!anchor){ + anchor = data(dom, '_anchor', {}); + } + return anchor; + }, + + /** + * Gets the x,y coordinates to align this element with another element. See {@link #alignTo} for more info on the + * supported position values. + * @param {Mixed} element The element to align to. + * @param {String} position (optional, defaults to "tl-bl?") The position to align to. + * @param {Array} offsets (optional) Offset the positioning by [x, y] + * @return {Array} [x, y] + */ + getAlignToXY : function(el, p, o){ + el = Ext.get(el); + + if(!el || !el.dom){ + throw "Element.alignToXY with an element that doesn't exist"; + } + + o = o || [0,0]; + p = (!p || p == "?" ? "tl-bl?" : (!/-/.test(p) && p !== "" ? "tl-" + p : p || "tl-bl")).toLowerCase(); + + var me = this, + d = me.dom, + a1, + a2, + x, + y, + //constrain the aligned el to viewport if necessary + w, + h, + r, + dw = Ext.lib.Dom.getViewWidth() -10, // 10px of margin for ie + dh = Ext.lib.Dom.getViewHeight()-10, // 10px of margin for ie + p1y, + p1x, + p2y, + p2x, + swapY, + swapX, + doc = document, + docElement = doc.documentElement, + docBody = doc.body, + scrollX = (docElement.scrollLeft || docBody.scrollLeft || 0)+5, + scrollY = (docElement.scrollTop || docBody.scrollTop || 0)+5, + c = false, //constrain to viewport + p1 = "", + p2 = "", + m = p.match(/^([a-z]+)-([a-z]+)(\?)?$/); + + if(!m){ + throw "Element.alignTo with an invalid alignment " + p; + } + + p1 = m[1]; + p2 = m[2]; + c = !!m[3]; + + //Subtract the aligned el's internal xy from the target's offset xy + //plus custom offset to get the aligned el's new offset xy + a1 = me.getAnchorXY(p1, true); + a2 = el.getAnchorXY(p2, false); + + x = a2[0] - a1[0] + o[0]; + y = a2[1] - a1[1] + o[1]; + + if(c){ + w = me.getWidth(); + h = me.getHeight(); + r = el.getRegion(); + //If we are at a viewport boundary and the aligned el is anchored on a target border that is + //perpendicular to the vp border, allow the aligned el to slide on that border, + //otherwise swap the aligned el to the opposite border of the target. + p1y = p1.charAt(0); + p1x = p1.charAt(p1.length-1); + p2y = p2.charAt(0); + p2x = p2.charAt(p2.length-1); + swapY = ((p1y=="t" && p2y=="b") || (p1y=="b" && p2y=="t")); + swapX = ((p1x=="r" && p2x=="l") || (p1x=="l" && p2x=="r")); + + + if (x + w > dw + scrollX) { + x = swapX ? r.left-w : dw+scrollX-w; + } + if (x < scrollX) { + x = swapX ? r.right : scrollX; + } + if (y + h > dh + scrollY) { + y = swapY ? r.top-h : dh+scrollY-h; + } + if (y < scrollY){ + y = swapY ? r.bottom : scrollY; + } + } + return [x,y]; + }, + + /** + * Aligns this element with another element relative to the specified anchor points. If the other element is the + * document it aligns it to the viewport. + * The position parameter is optional, and can be specified in any one of the following formats: + *
+Value Description +----- ----------------------------- +tl The top left corner (default) +t The center of the top edge +tr The top right corner +l The center of the left edge +c In the center of the element +r The center of the right edge +bl The bottom left corner +b The center of the bottom edge +br The bottom right corner ++Example Usage: +
+// align el to other-el using the default positioning ("tl-bl", non-constrained)
+el.alignTo("other-el");
+
+// align the top left corner of el with the top right corner of other-el (constrained to viewport)
+el.alignTo("other-el", "tr?");
+
+// align the bottom right corner of el with the center left edge of other-el
+el.alignTo("other-el", "br-l?");
+
+// align the center of el with the bottom left corner of other-el and
+// adjust the x position by -6 pixels (and the y position by 0)
+el.alignTo("other-el", "c-bl", [-6, 0]);
+
+ * @param {Mixed} element The element to align to.
+ * @param {String} position (optional, defaults to "tl-bl?") The position to align to.
+ * @param {Array} offsets (optional) Offset the positioning by [x, y]
+ * @param {Boolean/Object} animate (optional) true for the default animation or a standard Element animation config object
+ * @return {Ext.Element} this
+ */
+ alignTo : function(element, position, offsets, animate){
+ var me = this;
+ return me.setXY(me.getAlignToXY(element, position, offsets),
+ me.preanim && !!animate ? me.preanim(arguments, 3) : false);
+ },
+
+ // private ==> used outside of core
+ adjustForConstraints : function(xy, parent, offsets){
+ return this.getConstrainToXY(parent || document, false, offsets, xy) || xy;
+ },
+
+ // private ==> used outside of core
+ getConstrainToXY : function(el, local, offsets, proposedXY){
+ var os = {top:0, left:0, bottom:0, right: 0};
+
+ return function(el, local, offsets, proposedXY){
+ el = Ext.get(el);
+ offsets = offsets ? Ext.applyIf(offsets, os) : os;
+
+ var vw, vh, vx = 0, vy = 0;
+ if(el.dom == document.body || el.dom == document){
+ vw =Ext.lib.Dom.getViewWidth();
+ vh = Ext.lib.Dom.getViewHeight();
+ }else{
+ vw = el.dom.clientWidth;
+ vh = el.dom.clientHeight;
+ if(!local){
+ var vxy = el.getXY();
+ vx = vxy[0];
+ vy = vxy[1];
+ }
+ }
+
+ var s = el.getScroll();
+
+ vx += offsets.left + s.left;
+ vy += offsets.top + s.top;
+
+ vw -= offsets.right;
+ vh -= offsets.bottom;
+
+ var vr = vx+vw;
+ var vb = vy+vh;
+
+ var xy = proposedXY || (!local ? this.getXY() : [this.getLeft(true), this.getTop(true)]);
+ var x = xy[0], y = xy[1];
+ var w = this.dom.offsetWidth, h = this.dom.offsetHeight;
+
+ // only move it if it needs it
+ var moved = false;
+
+ // first validate right/bottom
+ if((x + w) > vr){
+ x = vr - w;
+ moved = true;
+ }
+ if((y + h) > vb){
+ y = vb - h;
+ moved = true;
+ }
+ // then make sure top/left isn't negative
+ if(x < vx){
+ x = vx;
+ moved = true;
+ }
+ if(y < vy){
+ y = vy;
+ moved = true;
+ }
+ return moved ? [x, y] : false;
+ };
+ }(),
+
+
+
+// el = Ext.get(el);
+// offsets = Ext.applyIf(offsets || {}, {top : 0, left : 0, bottom : 0, right : 0});
+
+// var me = this,
+// doc = document,
+// s = el.getScroll(),
+// vxy = el.getXY(),
+// vx = offsets.left + s.left,
+// vy = offsets.top + s.top,
+// vw = -offsets.right,
+// vh = -offsets.bottom,
+// vr,
+// vb,
+// xy = proposedXY || (!local ? me.getXY() : [me.getLeft(true), me.getTop(true)]),
+// x = xy[0],
+// y = xy[1],
+// w = me.dom.offsetWidth, h = me.dom.offsetHeight,
+// moved = false; // only move it if it needs it
+//
+//
+// if(el.dom == doc.body || el.dom == doc){
+// vw += Ext.lib.Dom.getViewWidth();
+// vh += Ext.lib.Dom.getViewHeight();
+// }else{
+// vw += el.dom.clientWidth;
+// vh += el.dom.clientHeight;
+// if(!local){
+// vx += vxy[0];
+// vy += vxy[1];
+// }
+// }
+
+// // first validate right/bottom
+// if(x + w > vx + vw){
+// x = vx + vw - w;
+// moved = true;
+// }
+// if(y + h > vy + vh){
+// y = vy + vh - h;
+// moved = true;
+// }
+// // then make sure top/left isn't negative
+// if(x < vx){
+// x = vx;
+// moved = true;
+// }
+// if(y < vy){
+// y = vy;
+// moved = true;
+// }
+// return moved ? [x, y] : false;
+// },
+
+ /**
+ * Calculates the x, y to center this element on the screen
+ * @return {Array} The x, y values [x, y]
+ */
+ getCenterXY : function(){
+ return this.getAlignToXY(document, 'c-c');
+ },
+
+ /**
+ * Centers the Element in either the viewport, or another Element.
+ * @param {Mixed} centerIn (optional) The element in which to center the element.
+ */
+ center : function(centerIn){
+ return this.alignTo(centerIn || document, 'c-c');
+ }
+});
+
+
\ No newline at end of file