-/*!
- * Ext JS Library 3.2.0
- * Copyright(c) 2006-2010 Ext JS, Inc.
- * licensing@extjs.com
- * http://www.extjs.com/license
- */
+/*
+
+This file is part of Ext JS 4
+
+Copyright (c) 2011 Sencha Inc
+
+Contact: http://www.sencha.com/contact
+
+GNU General Public License Usage
+This file may be used under the terms of the GNU General Public License version 3.0 as published by the Free Software Foundation and appearing in the file LICENSE included in the packaging of this file. Please review the following information to ensure the GNU General Public License version 3.0 requirements will be met: http://www.gnu.org/copyleft/gpl.html.
+
+If you are unsure which license is appropriate for your use, please contact the sales department at http://www.sencha.com/contact.
+
+*/
/**
* @class Ext.dd.ScrollManager
* <p>Provides automatic scrolling of overflow regions in the page during drag operations.</p>
* <p>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
+ * but you can also override most of the configs per scroll container by adding a
* <tt>ddScrollConfig</tt> object to the target element that contains these properties: {@link #hthresh},
* {@link #vthresh}, {@link #increment} and {@link #frequency}. Example usage:
* <pre><code>
};
Ext.dd.ScrollManager.register(el);
</code></pre>
- * <b>Note: This class uses "Point Mode" and is untested in "Intersect Mode".</b>
+ * Note: This class is designed to be used in "Point 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);
+Ext.define('Ext.dd.ScrollManager', {
+ singleton: true,
+ requires: [
+ 'Ext.dd.DragDropManager'
+ ],
+
+ constructor: function() {
+ var ddm = Ext.dd.DragDropManager;
+ ddm.fireEvents = Ext.Function.createSequence(ddm.fireEvents, this.onFire, this);
+ ddm.stopDrag = Ext.Function.createSequence(ddm.stopDrag, this.onStop, this);
+ this.doScroll = Ext.Function.bind(this.doScroll, this);
+ this.ddmInstance = ddm;
+ this.els = {};
+ this.dragEl = null;
+ this.proc = {};
+ },
+
+ onStop: function(e){
+ var sm = Ext.dd.ScrollManager;
+ sm.dragEl = null;
+ sm.clearProc();
+ },
+
+ triggerRefresh: function() {
+ if (this.ddmInstance.dragCurrent) {
+ this.ddmInstance.refreshCache(this.ddmInstance.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();
+ },
+
+ doScroll: function() {
+ if (this.ddmInstance.dragCurrent) {
+ var proc = this.proc,
+ procEl = proc.el,
+ ddScrollConfig = proc.el.ddScrollConfig,
+ inc = ddScrollConfig ? ddScrollConfig.increment : this.increment;
+
+ if (!this.animate) {
+ if (procEl.scroll(proc.dir, inc)) {
+ this.triggerRefresh();
}
- }else{
- proc.el.scroll(proc.dir, inc, true, dds.animDuration, triggerRefresh);
+ } else {
+ procEl.scroll(proc.dir, inc, true, this.animDuration, this.triggerRefresh);
}
}
- };
-
- var clearProc = function(){
- if(proc.id){
+ },
+
+ clearProc: function() {
+ var proc = this.proc;
+ 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;
+ },
+
+ startProc: function(el, dir) {
+ this.clearProc();
+ this.proc.el = el;
+ this.proc.dir = dir;
+ var group = el.ddScrollConfig ? el.ddScrollConfig.ddGroup : undefined,
+ freq = (el.ddScrollConfig && el.ddScrollConfig.frequency)
+ ? el.ddScrollConfig.frequency
+ : this.frequency;
+
+ if (group === undefined || this.ddmInstance.dragCurrent.ddGroup == group) {
+ this.proc.id = setInterval(this.doScroll, freq);
+ }
+ },
+
+ onFire: function(e, isDrop) {
+ if (isDrop || !this.ddmInstance.dragCurrent) {
+ return;
+ }
+ if (!this.dragEl || this.dragEl != this.ddmInstance.dragCurrent) {
+ this.dragEl = this.ddmInstance.dragCurrent;
// refresh regions on drag start
- dds.refreshCache();
+ this.refreshCache();
}
-
- var xy = Ext.lib.Event.getXY(e);
- var pt = new Ext.lib.Point(xy[0], xy[1]);
- for(var id in els){
+
+ var xy = e.getXY(),
+ pt = e.getPoint(),
+ proc = this.proc,
+ els = this.els;
+
+ 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){
+ var c = el.ddScrollConfig ? el.ddScrollConfig : this;
+ if (r && r.contains(pt) && el.isScrollable()) {
+ if (r.bottom - pt.y <= c.vthresh) {
if(proc.el != el){
- startProc(el, "down");
+ this.startProc(el, "down");
}
return;
- }else if(r.right - pt.x <= c.hthresh){
- if(proc.el != el){
- startProc(el, "left");
+ }else if (r.right - pt.x <= c.hthresh) {
+ if (proc.el != el) {
+ this.startProc(el, "left");
}
return;
- }else if(pt.y - r.top <= c.vthresh){
- if(proc.el != el){
- startProc(el, "up");
+ } else if(pt.y - r.top <= c.vthresh) {
+ if (proc.el != el) {
+ this.startProc(el, "up");
}
return;
- }else if(pt.x - r.left <= c.hthresh){
- if(proc.el != el){
- startProc(el, "right");
+ } else if(pt.x - r.left <= c.hthresh) {
+ if (proc.el != el) {
+ this.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;
+ this.clearProc();
+ },
+
+ /**
+ * Registers new overflow element(s) to auto scroll
+ * @param {String/HTMLElement/Ext.Element/String[]/HTMLElement[]/Ext.Element[]} 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]);
}
- },
-
- /**
- * 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];
+ } else {
+ el = Ext.get(el);
+ this.els[el.id] = el;
+ }
+ },
+
+ /**
+ * Unregisters overflow element(s) so they are no longer scrolled
+ * @param {String/HTMLElement/Ext.Element/String[]/HTMLElement[]/Ext.Element[]} 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]);
}
- },
-
- /**
- * 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();
- }
+ }else{
+ el = Ext.get(el);
+ delete this.els[el.id];
+ }
+ },
+
+ /**
+ * The number of pixels from the top or bottom edge of a container the pointer needs to be to
+ * trigger scrolling
+ * @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
+ * @type Number
+ */
+ hthresh : 25,
+
+ /**
+ * The number of pixels to scroll in each scroll increment
+ * @type Number
+ */
+ increment : 100,
+
+ /**
+ * The frequency of scrolls in milliseconds
+ * @type Number
+ */
+ frequency : 500,
+
+ /**
+ * True to animate the scroll
+ * @type Boolean
+ */
+ animate: true,
+
+ /**
+ * The animation duration in seconds - MUST BE less than Ext.dd.ScrollManager.frequency!
+ * @type Number
+ */
+ animDuration: 0.4,
+
+ /**
+ * The named drag drop {@link Ext.dd.DragSource#ddGroup group} to which this container belongs.
+ * If a ddGroup is specified, then container scrolling will only occur when a dragged object is in the same ddGroup.
+ * @type String
+ */
+ ddGroup: undefined,
+
+ /**
+ * Manually trigger a cache refresh.
+ */
+ refreshCache : function(){
+ var els = this.els,
+ id;
+ for (id in els) {
+ if(typeof els[id] == 'object'){ // for people extending the object prototype
+ els[id]._region = els[id].getRegion();
}
}
- };
-}();
\ No newline at end of file
+ }
+});
+
git.ithinksw.org / extjs.git / blobdiff