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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>The source code</title>
<link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
<script type="text/javascript" src="../resources/prettify/prettify.js"></script>
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<body onload="prettyPrint();">
<pre class="prettyprint lang-js">/*!
* Ext JS Library 3.3.1
* Copyright(c) 2006-2010 Sencha Inc.
* licensing@sencha.com
* http://www.sencha.com/license
*/
/*
* Internal drag zone implementation for the calendar components. This provides base functionality
* and is primarily for the month view -- DayViewDD adds day/week view-specific functionality.
*/
Ext.calendar.DragZone = Ext.extend(Ext.dd.DragZone, {
ddGroup: 'CalendarDD',
eventSelector: '.ext-cal-evt',
constructor: function(el, config) {
if (!Ext.calendar._statusProxyInstance) {
Ext.calendar._statusProxyInstance = new Ext.calendar.StatusProxy();
}
this.proxy = Ext.calendar._statusProxyInstance;
Ext.calendar.DragZone.superclass.constructor.call(this, el, config);
},
getDragData: function(e) {
// Check whether we are dragging on an event first
var t = e.getTarget(this.eventSelector, 3);
if (t) {
var rec = this.view.getEventRecordFromEl(t);
return {
type: 'eventdrag',
ddel: t,
eventStart: rec.data[Ext.calendar.EventMappings.StartDate.name],
eventEnd: rec.data[Ext.calendar.EventMappings.EndDate.name],
proxy: this.proxy
};
}
// If not dragging an event then we are dragging on
// the calendar to add a new event
t = this.view.getDayAt(e.getPageX(), e.getPageY());
if (t.el) {
return {
type: 'caldrag',
start: t.date,
proxy: this.proxy
};
}
return null;
},
onInitDrag: function(x, y) {
if (this.dragData.ddel) {
var ghost = this.dragData.ddel.cloneNode(true),
child = Ext.fly(ghost).child('dl');
Ext.fly(ghost).setWidth('auto');
if (child) {
// for IE/Opera
child.setHeight('auto');
}
this.proxy.update(ghost);
this.onStartDrag(x, y);
}
else if (this.dragData.start) {
this.onStartDrag(x, y);
}
this.view.onInitDrag();
return true;
},
afterRepair: function() {
if (Ext.enableFx && this.dragData.ddel) {
Ext.Element.fly(this.dragData.ddel).highlight(this.hlColor || 'c3daf9');
}
this.dragging = false;
},
getRepairXY: function(e) {
if (this.dragData.ddel) {
return Ext.Element.fly(this.dragData.ddel).getXY();
}
},
afterInvalidDrop: function(e, id) {
Ext.select('.ext-dd-shim').hide();
}
});
/*
* Internal drop zone implementation for the calendar components. This provides base functionality
* and is primarily for the month view -- DayViewDD adds day/week view-specific functionality.
*/
Ext.calendar.DropZone = Ext.extend(Ext.dd.DropZone, {
ddGroup: 'CalendarDD',
eventSelector: '.ext-cal-evt',
// private
shims: [],
getTargetFromEvent: function(e) {
var dragOffset = this.dragOffset || 0,
y = e.getPageY() - dragOffset,
d = this.view.getDayAt(e.getPageX(), y);
return d.el ? d: null;
},
onNodeOver: function(n, dd, e, data) {
var D = Ext.calendar.Date,
start = data.type == 'eventdrag' ? n.date: D.min(data.start, n.date),
end = data.type == 'eventdrag' ? n.date.add(Date.DAY, D.diffDays(data.eventStart, data.eventEnd)) :
D.max(data.start, n.date);
if (!this.dragStartDate || !this.dragEndDate || (D.diffDays(start, this.dragStartDate) != 0) || (D.diffDays(end, this.dragEndDate) != 0)) {
this.dragStartDate = start;
this.dragEndDate = end.clearTime().add(Date.DAY, 1).add(Date.MILLI, -1);
this.shim(start, end);
var range = start.format('n/j');
if (D.diffDays(start, end) > 0) {
range += '-' + end.format('n/j');
}
var msg = String.format(data.type == 'eventdrag' ? this.moveText: this.createText, range);
data.proxy.updateMsg(msg);
}
return this.dropAllowed;
},
shim: function(start, end) {
this.currWeek = -1;
var dt = start.clone(),
i = 0,
shim,
box,
cnt = Ext.calendar.Date.diffDays(dt, end) + 1;
Ext.each(this.shims,
function(shim) {
if (shim) {
shim.isActive = false;
}
}
);
while (i++<cnt) {
var dayEl = this.view.getDayEl(dt);
// if the date is not in the current view ignore it (this
// can happen when an event is dragged to the end of the
// month so that it ends outside the view)
if (dayEl) {
var wk = this.view.getWeekIndex(dt);
shim = this.shims[wk];
if (!shim) {
shim = this.createShim();
this.shims[wk] = shim;
}
if (wk != this.currWeek) {
shim.boxInfo = dayEl.getBox();
this.currWeek = wk;
}
else {
box = dayEl.getBox();
shim.boxInfo.right = box.right;
shim.boxInfo.width = box.right - shim.boxInfo.x;
}
shim.isActive = true;
}
dt = dt.add(Date.DAY, 1);
}
Ext.each(this.shims,
function(shim) {
if (shim) {
if (shim.isActive) {
shim.show();
shim.setBox(shim.boxInfo);
}
else if (shim.isVisible()) {
shim.hide();
}
}
});
},
createShim: function() {
if (!this.shimCt) {
this.shimCt = Ext.get('ext-dd-shim-ct');
if (!this.shimCt) {
this.shimCt = document.createElement('div');
this.shimCt.id = 'ext-dd-shim-ct';
Ext.getBody().appendChild(this.shimCt);
}
}
var el = document.createElement('div');
el.className = 'ext-dd-shim';
this.shimCt.appendChild(el);
return new Ext.Layer({
shadow: false,
useDisplay: true,
constrain: false
},
el);
},
clearShims: function() {
Ext.each(this.shims,
function(shim) {
if (shim) {
shim.hide();
}
});
},
onContainerOver: function(dd, e, data) {
return this.dropAllowed;
},
onCalendarDragComplete: function() {
delete this.dragStartDate;
delete this.dragEndDate;
this.clearShims();
},
onNodeDrop: function(n, dd, e, data) {
if (n && data) {
if (data.type == 'eventdrag') {
var rec = this.view.getEventRecordFromEl(data.ddel),
dt = Ext.calendar.Date.copyTime(rec.data[Ext.calendar.EventMappings.StartDate.name], n.date);
this.view.onEventDrop(rec, dt);
this.onCalendarDragComplete();
return true;
}
if (data.type == 'caldrag') {
this.view.onCalendarEndDrag(this.dragStartDate, this.dragEndDate,
this.onCalendarDragComplete.createDelegate(this));
//shims are NOT cleared here -- they stay visible until the handling
//code calls the onCalendarDragComplete callback which hides them.
return true;
}
}
this.onCalendarDragComplete();
return false;
},
onContainerDrop: function(dd, e, data) {
this.onCalendarDragComplete();
return false;
},
destroy: function() {
Ext.calendar.DropZone.superclass.destroy.call(this);
Ext.destroy(this.shimCt);
}
});
</pre>
</body>
</html>
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