X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/2e847cf21b8ab9d15fa167b315ca5b2fa92638fc..ddde20c4d4ac6a8d53de079761155de813845b3c:/src/dd/ScrollManager.js diff --git a/src/dd/ScrollManager.js b/src/dd/ScrollManager.js index ea3cc454..8a8ebe87 100644 --- a/src/dd/ScrollManager.js +++ b/src/dd/ScrollManager.js @@ -1,201 +1,201 @@ /*! - * Ext JS Library 3.1.1 - * Copyright(c) 2006-2010 Ext JS, LLC + * Ext JS Library 3.2.0 + * Copyright(c) 2006-2010 Ext JS, Inc. * licensing@extjs.com * http://www.extjs.com/license */ -/** - * @class Ext.dd.ScrollManager - *
Provides automatic scrolling of overflow regions in the page during drag operations.
- *The ScrollManager configs will be used as the defaults for any scroll container registered with it, - * but you can also override most of the configs per scroll container by adding a - * ddScrollConfig object to the target element that contains these properties: {@link #hthresh}, - * {@link #vthresh}, {@link #increment} and {@link #frequency}. Example usage: - *
-var el = Ext.get('scroll-ct');
-el.ddScrollConfig = {
- vthresh: 50,
- hthresh: -1,
- frequency: 100,
- increment: 200
-};
-Ext.dd.ScrollManager.register(el);
-
- * Note: This class uses "Point Mode" and is untested in "Intersect Mode".
- * @singleton
- */
-Ext.dd.ScrollManager = function(){
- var ddm = Ext.dd.DragDropMgr;
- var els = {};
- var dragEl = null;
- var proc = {};
-
- var onStop = function(e){
- dragEl = null;
- clearProc();
- };
-
- var triggerRefresh = function(){
- if(ddm.dragCurrent){
- ddm.refreshCache(ddm.dragCurrent.groups);
- }
- };
-
- var doScroll = function(){
- if(ddm.dragCurrent){
- var dds = Ext.dd.ScrollManager;
- var inc = proc.el.ddScrollConfig ?
- proc.el.ddScrollConfig.increment : dds.increment;
- if(!dds.animate){
- if(proc.el.scroll(proc.dir, inc)){
- triggerRefresh();
- }
- }else{
- proc.el.scroll(proc.dir, inc, true, dds.animDuration, triggerRefresh);
- }
- }
- };
-
- var clearProc = function(){
- if(proc.id){
- clearInterval(proc.id);
- }
- proc.id = 0;
- proc.el = null;
- proc.dir = "";
- };
-
- var startProc = function(el, dir){
- clearProc();
- proc.el = el;
- proc.dir = dir;
- var freq = (el.ddScrollConfig && el.ddScrollConfig.frequency) ?
- el.ddScrollConfig.frequency : Ext.dd.ScrollManager.frequency;
- proc.id = setInterval(doScroll, freq);
- };
-
- var onFire = function(e, isDrop){
- if(isDrop || !ddm.dragCurrent){ return; }
- var dds = Ext.dd.ScrollManager;
- if(!dragEl || dragEl != ddm.dragCurrent){
- dragEl = ddm.dragCurrent;
- // refresh regions on drag start
- dds.refreshCache();
- }
-
- var xy = Ext.lib.Event.getXY(e);
- var pt = new Ext.lib.Point(xy[0], xy[1]);
- for(var id in els){
- var el = els[id], r = el._region;
- var c = el.ddScrollConfig ? el.ddScrollConfig : dds;
- if(r && r.contains(pt) && el.isScrollable()){
- if(r.bottom - pt.y <= c.vthresh){
- if(proc.el != el){
- startProc(el, "down");
- }
- return;
- }else if(r.right - pt.x <= c.hthresh){
- if(proc.el != el){
- startProc(el, "left");
- }
- return;
- }else if(pt.y - r.top <= c.vthresh){
- if(proc.el != el){
- startProc(el, "up");
- }
- return;
- }else if(pt.x - r.left <= c.hthresh){
- if(proc.el != el){
- startProc(el, "right");
- }
- return;
- }
- }
- }
- clearProc();
- };
-
- ddm.fireEvents = ddm.fireEvents.createSequence(onFire, ddm);
- ddm.stopDrag = ddm.stopDrag.createSequence(onStop, ddm);
-
- return {
- /**
- * Registers new overflow element(s) to auto scroll
- * @param {Mixed/Array} el The id of or the element to be scrolled or an array of either
- */
- register : function(el){
- if(Ext.isArray(el)){
- for(var i = 0, len = el.length; i < len; i++) {
- this.register(el[i]);
- }
- }else{
- el = Ext.get(el);
- els[el.id] = el;
- }
- },
-
- /**
- * Unregisters overflow element(s) so they are no longer scrolled
- * @param {Mixed/Array} el The id of or the element to be removed or an array of either
- */
- unregister : function(el){
- if(Ext.isArray(el)){
- for(var i = 0, len = el.length; i < len; i++) {
- this.unregister(el[i]);
- }
- }else{
- el = Ext.get(el);
- delete els[el.id];
- }
- },
-
- /**
- * The number of pixels from the top or bottom edge of a container the pointer needs to be to
- * trigger scrolling (defaults to 25)
- * @type Number
- */
- vthresh : 25,
- /**
- * The number of pixels from the right or left edge of a container the pointer needs to be to
- * trigger scrolling (defaults to 25)
- * @type Number
- */
- hthresh : 25,
-
- /**
- * The number of pixels to scroll in each scroll increment (defaults to 50)
- * @type Number
- */
- increment : 100,
-
- /**
- * The frequency of scrolls in milliseconds (defaults to 500)
- * @type Number
- */
- frequency : 500,
-
- /**
- * True to animate the scroll (defaults to true)
- * @type Boolean
- */
- animate: true,
-
- /**
- * The animation duration in seconds -
- * MUST BE less than Ext.dd.ScrollManager.frequency! (defaults to .4)
- * @type Number
- */
- animDuration: .4,
-
- /**
- * Manually trigger a cache refresh.
- */
- refreshCache : function(){
- for(var id in els){
- if(typeof els[id] == 'object'){ // for people extending the object prototype
- els[id]._region = els[id].getRegion();
- }
- }
- }
- };
+/**
+ * @class Ext.dd.ScrollManager
+ * Provides automatic scrolling of overflow regions in the page during drag operations.
+ *The ScrollManager configs will be used as the defaults for any scroll container registered with it, + * but you can also override most of the configs per scroll container by adding a + * ddScrollConfig object to the target element that contains these properties: {@link #hthresh}, + * {@link #vthresh}, {@link #increment} and {@link #frequency}. Example usage: + *
+var el = Ext.get('scroll-ct');
+el.ddScrollConfig = {
+ vthresh: 50,
+ hthresh: -1,
+ frequency: 100,
+ increment: 200
+};
+Ext.dd.ScrollManager.register(el);
+
+ * Note: This class uses "Point Mode" and is untested in "Intersect Mode".
+ * @singleton
+ */
+Ext.dd.ScrollManager = function(){
+ var ddm = Ext.dd.DragDropMgr;
+ var els = {};
+ var dragEl = null;
+ var proc = {};
+
+ var onStop = function(e){
+ dragEl = null;
+ clearProc();
+ };
+
+ var triggerRefresh = function(){
+ if(ddm.dragCurrent){
+ ddm.refreshCache(ddm.dragCurrent.groups);
+ }
+ };
+
+ var doScroll = function(){
+ if(ddm.dragCurrent){
+ var dds = Ext.dd.ScrollManager;
+ var inc = proc.el.ddScrollConfig ?
+ proc.el.ddScrollConfig.increment : dds.increment;
+ if(!dds.animate){
+ if(proc.el.scroll(proc.dir, inc)){
+ triggerRefresh();
+ }
+ }else{
+ proc.el.scroll(proc.dir, inc, true, dds.animDuration, triggerRefresh);
+ }
+ }
+ };
+
+ var clearProc = function(){
+ if(proc.id){
+ clearInterval(proc.id);
+ }
+ proc.id = 0;
+ proc.el = null;
+ proc.dir = "";
+ };
+
+ var startProc = function(el, dir){
+ clearProc();
+ proc.el = el;
+ proc.dir = dir;
+ var freq = (el.ddScrollConfig && el.ddScrollConfig.frequency) ?
+ el.ddScrollConfig.frequency : Ext.dd.ScrollManager.frequency;
+ proc.id = setInterval(doScroll, freq);
+ };
+
+ var onFire = function(e, isDrop){
+ if(isDrop || !ddm.dragCurrent){ return; }
+ var dds = Ext.dd.ScrollManager;
+ if(!dragEl || dragEl != ddm.dragCurrent){
+ dragEl = ddm.dragCurrent;
+ // refresh regions on drag start
+ dds.refreshCache();
+ }
+
+ var xy = Ext.lib.Event.getXY(e);
+ var pt = new Ext.lib.Point(xy[0], xy[1]);
+ for(var id in els){
+ var el = els[id], r = el._region;
+ var c = el.ddScrollConfig ? el.ddScrollConfig : dds;
+ if(r && r.contains(pt) && el.isScrollable()){
+ if(r.bottom - pt.y <= c.vthresh){
+ if(proc.el != el){
+ startProc(el, "down");
+ }
+ return;
+ }else if(r.right - pt.x <= c.hthresh){
+ if(proc.el != el){
+ startProc(el, "left");
+ }
+ return;
+ }else if(pt.y - r.top <= c.vthresh){
+ if(proc.el != el){
+ startProc(el, "up");
+ }
+ return;
+ }else if(pt.x - r.left <= c.hthresh){
+ if(proc.el != el){
+ startProc(el, "right");
+ }
+ return;
+ }
+ }
+ }
+ clearProc();
+ };
+
+ ddm.fireEvents = ddm.fireEvents.createSequence(onFire, ddm);
+ ddm.stopDrag = ddm.stopDrag.createSequence(onStop, ddm);
+
+ return {
+ /**
+ * Registers new overflow element(s) to auto scroll
+ * @param {Mixed/Array} el The id of or the element to be scrolled or an array of either
+ */
+ register : function(el){
+ if(Ext.isArray(el)){
+ for(var i = 0, len = el.length; i < len; i++) {
+ this.register(el[i]);
+ }
+ }else{
+ el = Ext.get(el);
+ els[el.id] = el;
+ }
+ },
+
+ /**
+ * Unregisters overflow element(s) so they are no longer scrolled
+ * @param {Mixed/Array} el The id of or the element to be removed or an array of either
+ */
+ unregister : function(el){
+ if(Ext.isArray(el)){
+ for(var i = 0, len = el.length; i < len; i++) {
+ this.unregister(el[i]);
+ }
+ }else{
+ el = Ext.get(el);
+ delete els[el.id];
+ }
+ },
+
+ /**
+ * The number of pixels from the top or bottom edge of a container the pointer needs to be to
+ * trigger scrolling (defaults to 25)
+ * @type Number
+ */
+ vthresh : 25,
+ /**
+ * The number of pixels from the right or left edge of a container the pointer needs to be to
+ * trigger scrolling (defaults to 25)
+ * @type Number
+ */
+ hthresh : 25,
+
+ /**
+ * The number of pixels to scroll in each scroll increment (defaults to 50)
+ * @type Number
+ */
+ increment : 100,
+
+ /**
+ * The frequency of scrolls in milliseconds (defaults to 500)
+ * @type Number
+ */
+ frequency : 500,
+
+ /**
+ * True to animate the scroll (defaults to true)
+ * @type Boolean
+ */
+ animate: true,
+
+ /**
+ * The animation duration in seconds -
+ * MUST BE less than Ext.dd.ScrollManager.frequency! (defaults to .4)
+ * @type Number
+ */
+ animDuration: .4,
+
+ /**
+ * Manually trigger a cache refresh.
+ */
+ refreshCache : function(){
+ for(var id in els){
+ if(typeof els[id] == 'object'){ // for people extending the object prototype
+ els[id]._region = els[id].getRegion();
+ }
+ }
+ }
+ };
}();
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