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authorxue <>2006-04-21 12:36:06 +0000
committerxue <>2006-04-21 12:36:06 +0000
commite392ecbf6e422825083bc7204eacb7090619a47c (patch)
tree8f2dcc8302f223ac2c71efd762417eddf84d62aa /framework/Web/Javascripts/effects/dragdrop.js
parentc54a230a5926086ff1b69a0dd7e6352dbc0b40ff (diff)
Merge from 3.0 branch till 953.
Diffstat (limited to 'framework/Web/Javascripts/effects/dragdrop.js')
-rw-r--r--framework/Web/Javascripts/effects/dragdrop.js464
1 files changed, 397 insertions, 67 deletions
diff --git a/framework/Web/Javascripts/effects/dragdrop.js b/framework/Web/Javascripts/effects/dragdrop.js
index 818ef5e0..be2a30f5 100644
--- a/framework/Web/Javascripts/effects/dragdrop.js
+++ b/framework/Web/Javascripts/effects/dragdrop.js
@@ -1,4 +1,5 @@
// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
+// (c) 2005 Sammi Williams (http://www.oriontransfer.co.nz, sammi@oriontransfer.co.nz)
//
// See scriptaculous.js for full license.
@@ -15,7 +16,8 @@ var Droppables = {
element = $(element);
var options = Object.extend({
greedy: true,
- hoverclass: null
+ hoverclass: null,
+ tree: false
}, arguments[1] || {});
// cache containers
@@ -37,12 +39,27 @@ var Droppables = {
this.drops.push(options);
},
+
+ findDeepestChild: function(drops) {
+ deepest = drops[0];
+
+ for (i = 1; i < drops.length; ++i)
+ if (Element.isParent(drops[i].element, deepest.element))
+ deepest = drops[i];
+
+ return deepest;
+ },
isContained: function(element, drop) {
- var parentNode = element.parentNode;
- return drop._containers.detect(function(c) { return parentNode == c });
+ var containmentNode;
+ if(drop.tree) {
+ containmentNode = element.treeNode;
+ } else {
+ containmentNode = element.parentNode;
+ }
+ return drop._containers.detect(function(c) { return containmentNode == c });
},
-
+
isAffected: function(point, element, drop) {
return (
(drop.element!=element) &&
@@ -68,18 +85,22 @@ var Droppables = {
show: function(point, element) {
if(!this.drops.length) return;
+ var affected = [];
if(this.last_active) this.deactivate(this.last_active);
this.drops.each( function(drop) {
- if(Droppables.isAffected(point, element, drop)) {
- if(drop.onHover)
- drop.onHover(element, drop.element, Position.overlap(drop.overlap, drop.element));
- if(drop.greedy) {
- Droppables.activate(drop);
- throw $break;
- }
- }
+ if(Droppables.isAffected(point, element, drop))
+ affected.push(drop);
});
+
+ if(affected.length>0) {
+ drop = Droppables.findDeepestChild(affected);
+ Position.within(drop.element, point[0], point[1]);
+ if(drop.onHover)
+ drop.onHover(element, drop.element, Position.overlap(drop.overlap, drop.element));
+
+ Droppables.activate(drop);
+ }
},
fire: function(event, element) {
@@ -128,7 +149,7 @@ var Draggables = {
this.activeDraggable = draggable;
},
- deactivate: function(draggbale) {
+ deactivate: function() {
this.activeDraggable = null;
},
@@ -187,27 +208,37 @@ Draggable.prototype = {
initialize: function(element) {
var options = Object.extend({
handle: false,
- starteffect: function(element) {
- new Effect.Opacity(element, {duration:0.2, from:1.0, to:0.7});
+ starteffect: function(element) {
+ element._opacity = Element.getOpacity(element);
+ new Effect.Opacity(element, {duration:0.2, from:element._opacity, to:0.7});
},
reverteffect: function(element, top_offset, left_offset) {
var dur = Math.sqrt(Math.abs(top_offset^2)+Math.abs(left_offset^2))*0.02;
element._revert = new Effect.Move(element, { x: -left_offset, y: -top_offset, duration: dur});
},
- endeffect: function(element) {
- new Effect.Opacity(element, {duration:0.2, from:0.7, to:1.0});
+ endeffect: function(element) {
+ var toOpacity = typeof element._opacity == 'number' ? element._opacity : 1.0
+ new Effect.Opacity(element, {duration:0.2, from:0.7, to:toOpacity});
},
zindex: 1000,
revert: false,
+ scroll: false,
+ scrollSensitivity: 20,
+ scrollSpeed: 15,
snap: false // false, or xy or [x,y] or function(x,y){ return [x,y] }
}, arguments[1] || {});
this.element = $(element);
- if(options.handle && (typeof options.handle == 'string'))
- this.handle = Element.childrenWithClassName(this.element, options.handle)[0];
+ if(options.handle && (typeof options.handle == 'string')) {
+ var h = Element.childrenWithClassName(this.element, options.handle, true);
+ if(h.length>0) this.handle = h[0];
+ }
if(!this.handle) this.handle = $(options.handle);
if(!this.handle) this.handle = this.element;
+
+ if(options.scroll && !options.scroll.scrollTo && !options.scroll.outerHTML)
+ options.scroll = $(options.scroll);
Element.makePositioned(this.element); // fix IE
@@ -239,6 +270,7 @@ Draggable.prototype = {
if(src.tagName && (
src.tagName=='INPUT' ||
src.tagName=='SELECT' ||
+ src.tagName=='OPTION' ||
src.tagName=='BUTTON' ||
src.tagName=='TEXTAREA')) return;
@@ -270,6 +302,17 @@ Draggable.prototype = {
this.element.parentNode.insertBefore(this._clone, this.element);
}
+ if(this.options.scroll) {
+ if (this.options.scroll == window) {
+ var where = this._getWindowScroll(this.options.scroll);
+ this.originalScrollLeft = where.left;
+ this.originalScrollTop = where.top;
+ } else {
+ this.originalScrollLeft = this.options.scroll.scrollLeft;
+ this.originalScrollTop = this.options.scroll.scrollTop;
+ }
+ }
+
Draggables.notify('onStart', this, event);
if(this.options.starteffect) this.options.starteffect(this.element);
},
@@ -282,8 +325,30 @@ Draggable.prototype = {
this.draw(pointer);
if(this.options.change) this.options.change(this);
+ if(this.options.scroll) {
+ this.stopScrolling();
+
+ var p;
+ if (this.options.scroll == window) {
+ with(this._getWindowScroll(this.options.scroll)) { p = [ left, top, left+width, top+height ]; }
+ } else {
+ p = Position.page(this.options.scroll);
+ p[0] += this.options.scroll.scrollLeft;
+ p[1] += this.options.scroll.scrollTop;
+ p.push(p[0]+this.options.scroll.offsetWidth);
+ p.push(p[1]+this.options.scroll.offsetHeight);
+ }
+ var speed = [0,0];
+ if(pointer[0] < (p[0]+this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[0]+this.options.scrollSensitivity);
+ if(pointer[1] < (p[1]+this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[1]+this.options.scrollSensitivity);
+ if(pointer[0] > (p[2]-this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[2]-this.options.scrollSensitivity);
+ if(pointer[1] > (p[3]-this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[3]-this.options.scrollSensitivity);
+ this.startScrolling(speed);
+ }
+
// fix AppleWebKit rendering
if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);
+
Event.stop(event);
},
@@ -321,13 +386,14 @@ Draggable.prototype = {
},
keyPress: function(event) {
- if(!event.keyCode==Event.KEY_ESC) return;
+ if(event.keyCode!=Event.KEY_ESC) return;
this.finishDrag(event, false);
Event.stop(event);
},
endDrag: function(event) {
if(!this.dragging) return;
+ this.stopScrolling();
this.finishDrag(event, true);
Event.stop(event);
},
@@ -337,11 +403,18 @@ Draggable.prototype = {
var d = this.currentDelta();
pos[0] -= d[0]; pos[1] -= d[1];
- var p = [0,1].map(function(i){ return (point[i]-pos[i]-this.offset[i]) }.bind(this));
+ if(this.options.scroll && (this.options.scroll != window)) {
+ pos[0] -= this.options.scroll.scrollLeft-this.originalScrollLeft;
+ pos[1] -= this.options.scroll.scrollTop-this.originalScrollTop;
+ }
+
+ var p = [0,1].map(function(i){
+ return (point[i]-pos[i]-this.offset[i])
+ }.bind(this));
if(this.options.snap) {
if(typeof this.options.snap == 'function') {
- p = this.options.snap(p[0],p[1]);
+ p = this.options.snap(p[0],p[1],this);
} else {
if(this.options.snap instanceof Array) {
p = p.map( function(v, i) {
@@ -358,6 +431,75 @@ Draggable.prototype = {
if((!this.options.constraint) || (this.options.constraint=='vertical'))
style.top = p[1] + "px";
if(style.visibility=="hidden") style.visibility = ""; // fix gecko rendering
+ },
+
+ stopScrolling: function() {
+ if(this.scrollInterval) {
+ clearInterval(this.scrollInterval);
+ this.scrollInterval = null;
+ Draggables._lastScrollPointer = null;
+ }
+ },
+
+ startScrolling: function(speed) {
+ this.scrollSpeed = [speed[0]*this.options.scrollSpeed,speed[1]*this.options.scrollSpeed];
+ this.lastScrolled = new Date();
+ this.scrollInterval = setInterval(this.scroll.bind(this), 10);
+ },
+
+ scroll: function() {
+ var current = new Date();
+ var delta = current - this.lastScrolled;
+ this.lastScrolled = current;
+ if(this.options.scroll == window) {
+ with (this._getWindowScroll(this.options.scroll)) {
+ if (this.scrollSpeed[0] || this.scrollSpeed[1]) {
+ var d = delta / 1000;
+ this.options.scroll.scrollTo( left + d*this.scrollSpeed[0], top + d*this.scrollSpeed[1] );
+ }
+ }
+ } else {
+ this.options.scroll.scrollLeft += this.scrollSpeed[0] * delta / 1000;
+ this.options.scroll.scrollTop += this.scrollSpeed[1] * delta / 1000;
+ }
+
+ Position.prepare();
+ Droppables.show(Draggables._lastPointer, this.element);
+ Draggables.notify('onDrag', this);
+ Draggables._lastScrollPointer = Draggables._lastScrollPointer || $A(Draggables._lastPointer);
+ Draggables._lastScrollPointer[0] += this.scrollSpeed[0] * delta / 1000;
+ Draggables._lastScrollPointer[1] += this.scrollSpeed[1] * delta / 1000;
+ if (Draggables._lastScrollPointer[0] < 0)
+ Draggables._lastScrollPointer[0] = 0;
+ if (Draggables._lastScrollPointer[1] < 0)
+ Draggables._lastScrollPointer[1] = 0;
+ this.draw(Draggables._lastScrollPointer);
+
+ if(this.options.change) this.options.change(this);
+ },
+
+ _getWindowScroll: function(w) {
+ var T, L, W, H;
+ with (w.document) {
+ if (w.document.documentElement && documentElement.scrollTop) {
+ T = documentElement.scrollTop;
+ L = documentElement.scrollLeft;
+ } else if (w.document.body) {
+ T = body.scrollTop;
+ L = body.scrollLeft;
+ }
+ if (w.innerWidth) {
+ W = w.innerWidth;
+ H = w.innerHeight;
+ } else if (w.document.documentElement && documentElement.clientWidth) {
+ W = documentElement.clientWidth;
+ H = documentElement.clientHeight;
+ } else {
+ W = body.offsetWidth;
+ H = body.offsetHeight
+ }
+ }
+ return { top: T, left: L, width: W, height: H };
}
}
@@ -383,30 +525,41 @@ SortableObserver.prototype = {
}
var Sortable = {
- sortables: new Array(),
+ sortables: {},
- options: function(element){
- element = $(element);
- return this.sortables.detect(function(s) { return s.element == element });
+ _findRootElement: function(element) {
+ while (element.tagName != "BODY") {
+ if(element.id && Sortable.sortables[element.id]) return element;
+ element = element.parentNode;
+ }
+ },
+
+ options: function(element) {
+ element = Sortable._findRootElement($(element));
+ if(!element) return;
+ return Sortable.sortables[element.id];
},
destroy: function(element){
- element = $(element);
- this.sortables.findAll(function(s) { return s.element == element }).each(function(s){
+ var s = Sortable.options(element);
+
+ if(s) {
Draggables.removeObserver(s.element);
s.droppables.each(function(d){ Droppables.remove(d) });
s.draggables.invoke('destroy');
- });
- this.sortables = this.sortables.reject(function(s) { return s.element == element });
+
+ delete Sortable.sortables[s.element.id];
+ }
},
-
+
create: function(element) {
element = $(element);
var options = Object.extend({
element: element,
tag: 'li', // assumes li children, override with tag: 'tagname'
dropOnEmpty: false,
- tree: false, // fixme: unimplemented
+ tree: false,
+ treeTag: 'ul',
overlap: 'vertical', // one of 'vertical', 'horizontal'
constraint: 'vertical', // one of 'vertical', 'horizontal', false
containment: element, // also takes array of elements (or id's); or false
@@ -414,7 +567,10 @@ var Sortable = {
only: false,
hoverclass: null,
ghosting: false,
- format: null,
+ scroll: false,
+ scrollSensitivity: 20,
+ scrollSpeed: 15,
+ format: /^[^_]*_(.*)$/,
onChange: Prototype.emptyFunction,
onUpdate: Prototype.emptyFunction
}, arguments[1] || {});
@@ -425,6 +581,9 @@ var Sortable = {
// build options for the draggables
var options_for_draggable = {
revert: true,
+ scroll: options.scroll,
+ scrollSpeed: options.scrollSpeed,
+ scrollSensitivity: options.scrollSensitivity,
ghosting: options.ghosting,
constraint: options.constraint,
handle: options.handle };
@@ -450,9 +609,17 @@ var Sortable = {
var options_for_droppable = {
overlap: options.overlap,
containment: options.containment,
+ tree: options.tree,
hoverclass: options.hoverclass,
- onHover: Sortable.onHover,
- greedy: !options.dropOnEmpty
+ onHover: Sortable.onHover
+ //greedy: !options.dropOnEmpty
+ }
+
+ var options_for_tree = {
+ onHover: Sortable.onEmptyHover,
+ overlap: options.overlap,
+ containment: options.containment,
+ hoverclass: options.hoverclass
}
// fix for gecko engine
@@ -461,12 +628,9 @@ var Sortable = {
options.draggables = [];
options.droppables = [];
- // make it so
-
// drop on empty handling
- if(options.dropOnEmpty) {
- Droppables.add(element,
- {containment: options.containment, onHover: Sortable.onEmptyHover, greedy: false});
+ if(options.dropOnEmpty || options.tree) {
+ Droppables.add(element, options_for_tree);
options.droppables.push(element);
}
@@ -477,11 +641,20 @@ var Sortable = {
options.draggables.push(
new Draggable(e, Object.extend(options_for_draggable, { handle: handle })));
Droppables.add(e, options_for_droppable);
+ if(options.tree) e.treeNode = element;
options.droppables.push(e);
});
+
+ if(options.tree) {
+ (Sortable.findTreeElements(element, options) || []).each( function(e) {
+ Droppables.add(e, options_for_tree);
+ e.treeNode = element;
+ options.droppables.push(e);
+ });
+ }
// keep reference
- this.sortables.push(options);
+ this.sortables[element.id] = options;
// for onupdate
Draggables.addObserver(new SortableObserver(element, options.onUpdate));
@@ -490,23 +663,21 @@ var Sortable = {
// return all suitable-for-sortable elements in a guaranteed order
findElements: function(element, options) {
- if(!element.hasChildNodes()) return null;
- var elements = [];
- $A(element.childNodes).each( function(e) {
- if(e.tagName && e.tagName.toUpperCase()==options.tag.toUpperCase() &&
- (!options.only || (Element.hasClassName(e, options.only))))
- elements.push(e);
- if(options.tree) {
- var grandchildren = this.findElements(e, options);
- if(grandchildren) elements.push(grandchildren);
- }
- });
-
- return (elements.length>0 ? elements.flatten() : null);
+ return Element.findChildren(
+ element, options.only, options.tree ? true : false, options.tag);
+ },
+
+ findTreeElements: function(element, options) {
+ return Element.findChildren(
+ element, options.only, options.tree ? true : false, options.treeTag);
},
onHover: function(element, dropon, overlap) {
- if(overlap>0.5) {
+ if(Element.isParent(dropon, element)) return;
+
+ if(overlap > .33 && overlap < .66 && Sortable.options(dropon).tree) {
+ return;
+ } else if(overlap>0.5) {
Sortable.mark(dropon, 'before');
if(dropon.previousSibling != element) {
var oldParentNode = element.parentNode;
@@ -529,13 +700,37 @@ var Sortable = {
}
}
},
-
- onEmptyHover: function(element, dropon) {
- if(element.parentNode!=dropon) {
- var oldParentNode = element.parentNode;
- dropon.appendChild(element);
+
+ onEmptyHover: function(element, dropon, overlap) {
+ var oldParentNode = element.parentNode;
+ var droponOptions = Sortable.options(dropon);
+
+ if(!Element.isParent(dropon, element)) {
+ var index;
+
+ var children = Sortable.findElements(dropon, {tag: droponOptions.tag});
+ var child = null;
+
+ if(children) {
+ var offset = Element.offsetSize(dropon, droponOptions.overlap) * (1.0 - overlap);
+
+ for (index = 0; index < children.length; index += 1) {
+ if (offset - Element.offsetSize (children[index], droponOptions.overlap) >= 0) {
+ offset -= Element.offsetSize (children[index], droponOptions.overlap);
+ } else if (offset - (Element.offsetSize (children[index], droponOptions.overlap) / 2) >= 0) {
+ child = index + 1 < children.length ? children[index + 1] : null;
+ break;
+ } else {
+ child = children[index];
+ break;
+ }
+ }
+ }
+
+ dropon.insertBefore(element, child);
+
Sortable.options(oldParentNode).onChange(element);
- Sortable.options(dropon).onChange(element);
+ droponOptions.onChange(element);
}
},
@@ -567,19 +762,154 @@ var Sortable = {
Element.show(Sortable._marker);
},
+
+ _tree: function(element, options, parent) {
+ var children = Sortable.findElements(element, options) || [];
+
+ for (var i = 0; i < children.length; ++i) {
+ var match = children[i].id.match(options.format);
- serialize: function(element) {
+ if (!match) continue;
+
+ var child = {
+ id: encodeURIComponent(match ? match[1] : null),
+ element: element,
+ parent: parent,
+ children: new Array,
+ position: parent.children.length,
+ container: Sortable._findChildrenElement(children[i], options.treeTag.toUpperCase())
+ }
+
+ /* Get the element containing the children and recurse over it */
+ if (child.container)
+ this._tree(child.container, options, child)
+
+ parent.children.push (child);
+ }
+
+ return parent;
+ },
+
+ /* Finds the first element of the given tag type within a parent element.
+ Used for finding the first LI[ST] within a L[IST]I[TEM].*/
+ _findChildrenElement: function (element, containerTag) {
+ if (element && element.hasChildNodes)
+ for (var i = 0; i < element.childNodes.length; ++i)
+ if (element.childNodes[i].tagName == containerTag)
+ return element.childNodes[i];
+
+ return null;
+ },
+
+ tree: function(element) {
element = $(element);
var sortableOptions = this.options(element);
var options = Object.extend({
- tag: sortableOptions.tag,
+ tag: sortableOptions.tag,
+ treeTag: sortableOptions.treeTag,
only: sortableOptions.only,
name: element.id,
- format: sortableOptions.format || /^[^_]*_(.*)$/
+ format: sortableOptions.format
}, arguments[1] || {});
+
+ var root = {
+ id: null,
+ parent: null,
+ children: new Array,
+ container: element,
+ position: 0
+ }
+
+ return Sortable._tree (element, options, root);
+ },
+
+ /* Construct a [i] index for a particular node */
+ _constructIndex: function(node) {
+ var index = '';
+ do {
+ if (node.id) index = '[' + node.position + ']' + index;
+ } while ((node = node.parent) != null);
+ return index;
+ },
+
+ sequence: function(element) {
+ element = $(element);
+ var options = Object.extend(this.options(element), arguments[1] || {});
+
return $(this.findElements(element, options) || []).map( function(item) {
- return (encodeURIComponent(options.name) + "[]=" +
- encodeURIComponent(item.id.match(options.format) ? item.id.match(options.format)[1] : ''));
- }).join("&");
+ return item.id.match(options.format) ? item.id.match(options.format)[1] : '';
+ });
+ },
+
+ setSequence: function(element, new_sequence) {
+ element = $(element);
+ var options = Object.extend(this.options(element), arguments[2] || {});
+
+ var nodeMap = {};
+ this.findElements(element, options).each( function(n) {
+ if (n.id.match(options.format))
+ nodeMap[n.id.match(options.format)[1]] = [n, n.parentNode];
+ n.parentNode.removeChild(n);
+ });
+
+ new_sequence.each(function(ident) {
+ var n = nodeMap[ident];
+ if (n) {
+ n[1].appendChild(n[0]);
+ delete nodeMap[ident];
+ }
+ });
+ },
+
+ serialize: function(element) {
+ element = $(element);
+ var options = Object.extend(Sortable.options(element), arguments[1] || {});
+ var name = encodeURIComponent(
+ (arguments[1] && arguments[1].name) ? arguments[1].name : element.id);
+
+ if (options.tree) {
+ return Sortable.tree(element, arguments[1]).children.map( function (item) {
+ return [name + Sortable._constructIndex(item) + "=" +
+ encodeURIComponent(item.id)].concat(item.children.map(arguments.callee));
+ }).flatten().join('&');
+ } else {
+ return Sortable.sequence(element, arguments[1]).map( function(item) {
+ return name + "[]=" + encodeURIComponent(item);
+ }).join('&');
+ }
}
+}
+
+/* Returns true if child is contained within element */
+Element.isParent = function(child, element) {
+ if (!child.parentNode || child == element) return false;
+
+ if (child.parentNode == element) return true;
+
+ return Element.isParent(child.parentNode, element);
+}
+
+Element.findChildren = function(element, only, recursive, tagName) {
+ if(!element.hasChildNodes()) return null;
+ tagName = tagName.toUpperCase();
+ if(only) only = [only].flatten();
+ var elements = [];
+ $A(element.childNodes).each( function(e) {
+ if(e.tagName && e.tagName.toUpperCase()==tagName &&
+ (!only || (Element.classNames(e).detect(function(v) { return only.include(v) }))))
+ elements.push(e);
+ if(recursive) {
+ var grandchildren = Element.findChildren(e, only, recursive, tagName);
+ if(grandchildren) elements.push(grandchildren);
+ }
+ });
+
+ return (elements.length>0 ? elements.flatten() : []);
+}
+
+Element.offsetSize = function (element, type) {
+ if (type == 'vertical' || type == 'height')
+ return element.offsetHeight;
+ else
+ return element.offsetWidth;
} \ No newline at end of file