more draggy swoopy goodness in the multiday view

This commit is contained in:
vladimir%pobox.com 2005-04-24 10:53:33 +00:00
Родитель 34ae824ad9
Коммит f9acecc07c
1 изменённых файлов: 264 добавлений и 137 удалений

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@ -215,23 +215,19 @@
</implementation> </implementation>
<handlers> <handlers>
<handler event="mousedown" phase="capturing" button="0"><![CDATA[ <handler event="mousedown" button="0"><![CDATA[
this.mResizing = true; var whichside = this.getAttribute("whichside");
this.mSizeStartX = event.screenX; if (!whichside)
this.mSizeStartY = event.screenY; return;
event.preventDefault();
]]></handler>
<handler event="mousemove" phase="capturing"><![CDATA[ // we make assumptions about our position in the tree here;
if (!this.mResizing) // specifically, this should get us to a <calendar-event-box>
return; var evbox = this.parentNode.parentNode;
]]></handler> // still select it (since we'll preventBubble())
evbox.calendarView.selectedOccurrence = evbox.mOccurrence;
<handler event="mouseup" phase="capturing"><![CDATA[ // then start dragging it
if (!this.mResizing) evbox.parentColumn.startSweepingToModifyEvent(evbox, evbox.mOccurrence, whichside, event.clientX, event.clientY);
return; event.preventBubble();
this.mResizing = false;
event.target.boxObject.captureMouseEvents = false;
]]></handler> ]]></handler>
</handlers> </handlers>
</binding> </binding>
@ -270,6 +266,7 @@
<field name="mCalendarView">null</field> <field name="mCalendarView">null</field>
<field name="mDate">null</field> <field name="mDate">null</field>
<field name="mTimezone">null</field> <field name="mTimezone">null</field>
<field name="mDragState">null</field>
<!-- properties --> <!-- properties -->
<property name="pixelsPerMinute"> <property name="pixelsPerMinute">
@ -325,11 +322,21 @@
]]></getter> ]]></getter>
</property> </property>
<field name="mFgboxes">null</field>
<property <property
name="fgbox" name="fgboxes"
readonly="true"> readonly="true">
<getter><![CDATA[ <getter><![CDATA[
return document.getAnonymousElementByAttribute(this, "anonid", "fgbox"); if (this.mFgboxes == null) {
this.mFgboxes = {
box: document.getAnonymousElementByAttribute(this, "anonid", "fgbox"),
dragbox: document.getAnonymousElementByAttribute(this, "anonid", "fgdragbox"),
dragspacer: document.getAnonymousElementByAttribute(this, "anonid", "fgdragspacer"),
startlabel: document.getAnonymousElementByAttribute(this, "anonid", "fgdragbox-startlabel"),
endlabel: document.getAnonymousElementByAttribute(this, "anonid", "fgdragbox-endlabel")
};
}
return this.mFgboxes;
]]></getter> ]]></getter>
</property> </property>
@ -401,10 +408,7 @@
<parameter name="aOccurrence"/> <parameter name="aOccurrence"/>
<body><![CDATA[ <body><![CDATA[
for each (chunk in this.mEvents) { for each (chunk in this.mEvents) {
if (chunk.event.item == aOccurrence.item && if (chunk.event.equals(aOccurrence)) {
chunk.event.occurrenceStartDate.compare(aOccurrence.occurrenceStartDate) == 0 &&
chunk.event.occurrenceEndDate.compare(aOccurrence.occurrenceEndDate) == 0)
{
return chunk; return chunk;
} }
} }
@ -441,10 +445,7 @@
var i; var i;
for (i = 0; i < this.mEvents.length; i++) { for (i = 0; i < this.mEvents.length; i++) {
occ = this.mEvents[i].event; occ = this.mEvents[i].event;
if (occ.item == aOccurrence.item && if (occ.equals(aOccurrence)) {
occ.occurrenceStartDate.compare(aOccurrence.occurrenceStartDate) == 0 &&
occ.occurrenceEndDate.compare(aOccurrence.occurrenceEndDate) == 0)
{
itemIndex = i; itemIndex = i;
break; break;
} }
@ -564,7 +565,7 @@
} }
// fgbox is used for dragging events // fgbox is used for dragging events
this.fgbox.setAttribute("orient", orient); this.fgboxes.box.setAttribute("orient", orient);
document.getAnonymousElementByAttribute(this, "anonid", "fgdragspacer").setAttribute("orient", orient); document.getAnonymousElementByAttribute(this, "anonid", "fgdragspacer").setAttribute("orient", orient);
// this one is set to otherorient, since it will contain // this one is set to otherorient, since it will contain
@ -619,6 +620,7 @@
chunkBox.calendarView = this.calendarView; chunkBox.calendarView = this.calendarView;
chunkBox.occurrence = chunk.event.event; chunkBox.occurrence = chunk.event.event;
chunkBox.parentColumn = this;
chunk.event.eventbox = chunkBox; chunk.event.eventbox = chunkBox;
} else { } else {
@ -811,13 +813,15 @@
var col = document.calendarEventColumnDragging; var col = document.calendarEventColumnDragging;
if (!col) return; if (!col) return;
var dragState = col.mDragState;
var pos; var pos;
var sizeattr; var sizeattr;
if (col.getAttribute("orient") == "vertical") { if (col.getAttribute("orient") == "vertical") {
pos = event.clientY - col.parentNode.boxObject.y; pos = event.clientY - col.parentNode.boxObject.y - dragState.mouseOffset;
sizeattr = "height"; sizeattr = "height";
} else { } else {
pos = event.clientX - col.parentNode.boxObject.x; pos = event.clientX - col.parentNode.boxObject.x - dragState.mouseOffset;
sizeattr = "width"; sizeattr = "width";
} }
// don't let pos go outside the window edges // don't let pos go outside the window edges
@ -826,45 +830,48 @@
// snap to 15 minute intervals // snap to 15 minute intervals
var interval = col.mPixPerMin * 15; var interval = col.mPixPerMin * 15;
var curmin = Math.floor(pos/interval); var curmin = Math.floor(pos/interval) * 15;
var deltamin = curmin - col.mOrigDragMin; var deltamin = curmin - dragState.origMin;
if (deltamin == 0)
deltamin = 1;
var fgdragspacer = document.getAnonymousElementByAttribute(col, "anonid", "fgdragspacer"); if (dragState.dragType == "new") {
var fgdragbox = document.getAnonymousElementByAttribute(col, "anonid", "fgdragbox"); if (deltamin < 0) {
var fgdragstartlabel = document.getAnonymousElementByAttribute(col, "anonid", "fgdragbox-startlabel"); dragState.startMin = dragState.origMin + deltamin;
var fgdragendlabel = document.getAnonymousElementByAttribute(col, "anonid", "fgdragbox-endlabel"); dragState.endMin = dragState.origMin;
} else {
dragState.startMin = dragState.origMin;
dragState.endMin = dragState.origMin + deltamin;
}
} else if (dragState.dragType == "move") {
// if we're moving, we can only move the start, and the end has to be exactly start+duration
dragState.startMin = dragState.origMin + deltamin;
dragState.endMin = dragState.startMin + dragState.limitDurationMin;
} else if (dragState.dragType == "modify-start") {
// if we're modifying the start, the end time is fixed.
dragState.startMin = dragState.origMin + deltamin;
dragState.endMin = dragState.limitEndMin;
//dump ("curmin: " + curmin + "deltamin: " + deltamin + " spacer: " + fgdragspacer.getAttribute("height") + " box: " + fgdragbox.getAttribute("height") + "\n"); // but we need to not go past the end; if we hit
// the end, then we'll clamp to the previous 15-min interval
if (dragState.endMin <= dragState.startMin)
dragState.startMin = Math.floor((dragState.endMin - 15) / 15) * 15;
} else if (dragState.dragType == "modify-end") {
// if we're modifying the end, the start time is fixed, and we'll always
// set the spacer to a constant size.
dragState.startMin = dragState.limitStartMin;
dragState.endMin = dragState.origMin + deltamin;
if (deltamin < 0) { // but we need to not go past the start; if we hit
// add 1 here since we'll always start off with at least 1 interval-sized // the start, then we'll clamp to the next 15-min interval
// area selected, and we want that to remain consistent whether we drag up if (dragState.endMin <= dragState.startMin)
// or drag down dragState.endMin = Math.floor((dragState.startMin + 15) / 15) * 15;
fgdragspacer.setAttribute(sizeattr, (curmin+1) * interval);
}
fgdragbox.setAttribute(sizeattr, Math.abs(deltamin * interval));
if (deltamin < 0) {
col.mStartDragMin = col.mOrigDragMin + deltamin;
col.mEndDragMin = col.mOrigDragMin + 1;
} else {
col.mStartDragMin = col.mOrigDragMin;
col.mEndDragMin = col.mOrigDragMin + deltamin;
} }
// update the box sizes
col.fgboxes.dragspacer.setAttribute(sizeattr, dragState.startMin * col.mPixPerMin);
col.fgboxes.dragbox.setAttribute(sizeattr, Math.abs((dragState.endMin - dragState.startMin) * col.mPixPerMin));
// update the label // update the label
var realstartmin = (col.mStartDragMin*15) + col.mStartMin; col.updateDragLabels();
var starthr = Math.floor(realstartmin / 60);
var startmin = realstartmin % 60;
var realendmin = (col.mEndDragMin*15) + col.mStartMin;
var endhr = Math.floor(realendmin / 60);
var endmin = realendmin % 60;
fgdragstartlabel.setAttribute("value", starthr + ":" + (startmin < 10 ? "0" : "") + startmin);
fgdragendlabel.setAttribute("value", endhr + ":" + (endmin < 10 ? "0" : "") + endmin);
]]></body> ]]></body>
</method> </method>
@ -874,12 +881,10 @@
var col = document.calendarEventColumnDragging; var col = document.calendarEventColumnDragging;
if (!col) return; if (!col) return;
var fgbox = document.getAnonymousElementByAttribute(col, "anonid", "fgbox"); var dragState = col.mDragState;
var fgdragspacer = document.getAnonymousElementByAttribute(col, "anonid", "fgdragspacer");
var fgdragbox = document.getAnonymousElementByAttribute(col, "anonid", "fgdragbox");
fgdragbox.removeAttribute("dragging"); col.fgboxes.dragbox.removeAttribute("dragging");
fgbox.removeAttribute("dragging"); col.fgboxes.box.removeAttribute("dragging");
window.removeEventListener("mousemove", col.onEventSweepMouseMove, true); window.removeEventListener("mousemove", col.onEventSweepMouseMove, true);
window.removeEventListener("mouseup", col.onEventSweepMouseUp, true); window.removeEventListener("mouseup", col.onEventSweepMouseUp, true);
@ -888,70 +893,164 @@
// if the user didn't sweep out at least 1 interval's worth of pixels, ignore. // if the user didn't sweep out at least 1 interval's worth of pixels, ignore.
if (col.getAttribute("orient") == "vertical") { if (col.getAttribute("orient") == "vertical") {
if (Math.abs(event.clientY - col.mOrigDragLoc) < (col.mPixPerMin * 15)) if (Math.abs(event.clientY - dragState.origLoc) < (col.mPixPerMin * 15))
return; return;
} else { } else {
if (Math.abs(event.clientX - col.mOrigDragLoc) < (col.mPixPerMin * 15)) if (Math.abs(event.clientX - dragState.origLoc) < (col.mPixPerMin * 15))
return; return;
} }
col.createNewSweptEvent(col.mStartDragMin * 15, col.mEndDragMin * 15); // XXX ok, yeah, this stuff needs some JS helper love
]]></body> var estart = col.mDate.clone();
</method>
<method name="createNewSweptEvent">
<parameter name="aStartMin"/>
<parameter name="aEndMin"/>
<body><![CDATA[
/*
var eventCreationListener = {
col: this,
onOperationComplete: function(aCalendar, aStatus, aOperationType, aId, aDetail) {
if (!Components.isSuccessCode(aStatus) ||
!(aDetail instanceof Components.interfaces.calIEvent))
{
dump ("++++ Error occurred: " + aDetail);
return;
}
var item = aDetail;
var thisday = this.col.mDate.clone();
var nextday = this.col.mDate.clone();
nextday.day += 1;
nextday.normalize();
var occs = aItem.getOccurrencesBetween(thisday,
nextday,
{});
for each (occ in occs) {
this.calView.doAddEvent(occ);
}
},
onGetResult: function(aCalendar, aStatus, aItemType, aDetail, aCount, aItems) { }
},
};
*/
var estart = this.mDate.clone();
estart.isDate = false; estart.isDate = false;
estart.hour = 0; estart.hour = 0;
estart.minute = (this.mStartDragMin * 15) + this.mStartMin; estart.minute = dragState.startMin + col.mStartMin;
estart.normalize(); estart.normalize();
var eend = this.mDate.clone(); var eend = col.mDate.clone();
eend.isDate = false; eend.isDate = false;
eend.hour = 0; eend.hour = 0;
eend.minute = (this.mEndDragMin * 15) + this.mStartMin; eend.minute = dragState.endMin + col.mStartMin;
eend.normalize(); eend.normalize();
this.calendarView.controller.createNewEvent(this.calendarView.displayCalendar, if (dragState.dragType == "new") {
estart, col.calendarView.controller.createNewEvent(col.calendarView.displayCalendar,
eend); estart,
eend);
} else if (dragState.dragType == "move" ||
dragState.dragType == "modify-start" ||
dragState.dragType == "modify-end")
{
col.calendarView.controller.modifyOccurrence(dragState.dragOccurrence, estart, eend);
}
col.mDragState = null;
]]></body> ]]></body>
</method> </method>
<!-- This is called by an event box when a grippy on either side is dragged,
- or when the middle is pressed to drag the event to move it. We create
- the same type of view that we use to sweep out a new event, but we
- initialize it based on the event's values and what type of dragging
- we're doing. In addition, we constrain things like not being able to
- drag the end before the start and vice versa.
-->
<method name="startSweepingToModifyEvent">
<parameter name="aEventBox"/>
<parameter name="aOccurrence"/>
<!-- "start", "end", "middle" -->
<parameter name="aGrabbedElement"/>
<!-- mouse clientX/clientY from the event -->
<parameter name="aMouseX"/>
<parameter name="aMouseY"/>
<body><![CDATA[
dump ("startSweepingToModify\n");
this.mDragState = {
dragOccurrence: aOccurrence,
mouseOffset: 0
};
var interval = this.mPixPerMin * 15;
var sizeattr;
dump ("AMY: " + aMouseY + " boY: " + this.parentNode.boxObject.y + "\n");
var frameloc;
if (this.getAttribute("orient") == "vertical") {
this.mDragState.origLoc = aMouseY;
frameloc = aMouseY - this.parentNode.boxObject.y;
sizeattr = "height";
} else {
this.mDragState.origLoc = aMouseX;
frameloc = aMouseX - this.parentNode.boxObject.x;
sizeattr = "width";
}
var mins = this.getStartEndMinutesForOccurrence(aOccurrence);
// these are only used to compute durations or to compute UI
// sizes, so offset by this.mStartMin for sanity here (at the
// expense of possible insanity later)
mins.start -= this.mStartMin;
mins.end -= this.mStartMin;
if (aGrabbedElement == "start") {
this.mDragState.dragType = "modify-start";
this.mDragState.limitEndMin = mins.end;
// snap start
this.mDragState.origMin = Math.floor(mins.start/15) * 15;
this.fgboxes.dragspacer.setAttribute(sizeattr, this.mDragState.origMin * this.mPixPerMin);
this.fgboxes.dragbox.setAttribute(sizeattr, (mins.end - this.mDragState.origMin) * this.mPixPerMin);
} else if (aGrabbedElement == "end") {
this.mDragState.dragType = "modify-end";
this.mDragState.limitStartMin = mins.start;
// snap end
this.mDragState.origMin = Math.floor(mins.end/15) * 15;
this.fgboxes.dragspacer.setAttribute(sizeattr, mins.start * this.mPixPerMin);
this.fgboxes.dragbox.setAttribute(sizeattr, (this.mDragState.origMin - mins.start) * this.mPixPerMin);
} else if (aGrabbedElement == "middle") {
this.mDragState.dragType = "move";
this.mDragState.limitDurationMin = mins.end - mins.start;
// in a move, origMin will be the min of the start element;
// so we snap start again, but we keep the duration the same
// (we move the end based on the duration of the event,
// not including our snap)
this.mDragState.origMin = Math.floor(mins.start/15) * 15;
this.fgboxes.dragspacer.setAttribute(sizeattr, this.mDragState.origMin * this.mPixPerMin);
this.fgboxes.dragbox.setAttribute(sizeattr, (mins.end - mins.start) * this.mPixPerMin);
// we need to set a mouse offset, since we're not dragging from
// one end of the element
if (aEventBox) {
this.mDragState.mouseOffset = aMouseY - aEventBox.boxObject.y;
}
} else {
dump ("+++ Invalid grabbed element: '" + aGrabbedElement + "'\n");
}
this.fgboxes.box.setAttribute("dragging", "true");
this.fgboxes.dragbox.setAttribute("dragging", "true");
// cheat and call the sweep move event handler;
// this will take care of setting up the sizes right for everything
document.calendarEventColumnDragging = this;
//this.onEventSweepMouseMove(event);
dump (">>> drag is: " + this.mDragState.dragType + "\n");
window.addEventListener("mousemove", this.onEventSweepMouseMove, false);
window.addEventListener("mouseup", this.onEventSweepMouseUp, false);
]]></body>
</method>
<method name="updateDragLabels">
<body><![CDATA[
if (!this.mDragState) return;
var realstartmin = this.mDragState.startMin + this.mStartMin;
var realendmin = this.mDragState.endMin + this.mStartMin;
if (this.mDragState.dragType == "move") {
realendmin = realstartmin + this.mDragState.limitDurationMin;
} else if (this.mDragState.dragType == "start") {
realendmin = this.mDragState.limitEndMin;
} else if (this.mDragState.dragType == "end") {
realstartmin = this.mDragSTate.limitStartMin;
}
var starthr = Math.floor(realstartmin / 60);
var startmin = realstartmin % 60;
var endhr = Math.floor(realendmin / 60);
var endmin = realendmin % 60;
this.fgboxes.startlabel.setAttribute("value", starthr + ":" + (startmin < 10 ? "0" : "") + startmin);
this.fgboxes.endlabel.setAttribute("value", endhr + ":" + (endmin < 10 ? "0" : "") + endmin);
]]></body>
</method>
</implementation> </implementation>
<handlers> <handlers>
@ -962,29 +1061,30 @@
} }
]]></handler> ]]></handler>
<!-- mouse down handler, in empty event column regions. Starts sweeping out a new
- event.
-->
<handler event="mousedown" button="0"><![CDATA[ <handler event="mousedown" button="0"><![CDATA[
//dump("evx: " + event.clientX + " evy: " + event.clientY + "\n");
//dump("column " + this.mDate + " mousedown\n");
var fgbox = document.getAnonymousElementByAttribute(this, "anonid", "fgbox");
var fgdragspacer = document.getAnonymousElementByAttribute(this, "anonid", "fgdragspacer");
var fgdragbox = document.getAnonymousElementByAttribute(this, "anonid", "fgdragbox");
// snap to 15 minute intervals // snap to 15 minute intervals
var interval = this.mPixPerMin * 15; var interval = this.mPixPerMin * 15;
this.mDragState = {
dragType: "new",
mouseOffset: 0
};
if (this.getAttribute("orient") == "vertical") { if (this.getAttribute("orient") == "vertical") {
this.mOrigDragLoc = event.clientY; this.mDragState.origLoc = event.clientY;
this.mOrigDragMin = Math.floor((event.clientY - this.parentNode.boxObject.y)/interval); this.mDragState.origMin = Math.floor((event.clientY - this.parentNode.boxObject.y)/interval) * 15;
fgdragspacer.setAttribute("height", this.mOrigDragMin * interval); this.fgboxes.dragspacer.setAttribute("height", this.mDragState.origMin * this.mPixPerMin);
} else { } else {
this.mOrigDragLoc = event.clientX; this.mDragState.origLoc = event.clientX;
this.mOrigDragMin = Math.floor((event.clientX - this.parentNode.boxObject.x)/interval); this.mDragState.origMin = Math.floor((event.clientX - this.parentNode.boxObject.x)/interval) * 15;
fgdragspacer.setAttribute("width", this.mOrigDragMin * interval); this.fgboxes.dragspacer.setAttribute("width", this.mDragState.origMin * this.mPixPerMin);
} }
fgbox.setAttribute("dragging", "true"); this.fgboxes.box.setAttribute("dragging", "true");
fgdragbox.setAttribute("dragging", "true"); this.fgboxes.dragbox.setAttribute("dragging", "true");
// cheat and call the sweep move event handler; // cheat and call the sweep move event handler;
// this will take care of setting up the sizes right for everything // this will take care of setting up the sizes right for everything
@ -1006,13 +1106,13 @@
<content> <content>
<xul:box anonid="eventbox" xbl:inherits="orient,width,height" flex="1"> <xul:box anonid="eventbox" xbl:inherits="orient,width,height" flex="1">
<xul:calendar-event-gripbar anonid="gripbar1" xbl:inherits="parentorient=orient"/> <xul:calendar-event-gripbar anonid="gripbar1" whichside="start" xbl:inherits="parentorient=orient"/>
<xul:vbox class="calendar-event-box-container" xbl:inherits="parentorient=orient" flex="1" align="left"> <xul:vbox class="calendar-event-box-container" xbl:inherits="parentorient=orient" flex="1" align="left">
<xul:label anonid="event-name" flex="1" crop="right"/> <xul:label anonid="event-name" flex="1" crop="right"/>
<!-- for some reason, textboxes suck ass for reflow. --> <!-- for some reason, textboxes suck ass for reflow. -->
<!-- <xul:textbox class="editable-label" anonid="event-name" flex="1" crop="right"/> --> <!-- <xul:textbox class="editable-label" anonid="event-name" flex="1" crop="right"/> -->
</xul:vbox> </xul:vbox>
<xul:calendar-event-gripbar anonid="gripbar2" xbl:inherits="parentorient=orient"/> <xul:calendar-event-gripbar anonid="gripbar2" whichside="end" xbl:inherits="parentorient=orient"/>
</xul:box> </xul:box>
</content> </content>
@ -1026,7 +1126,7 @@
<!-- fields --> <!-- fields -->
<field name="mOccurrence">null</field> <field name="mOccurrence">null</field>
<field name="mParentColumn">null</field>
<field name="mCalendarView">null</field> <field name="mCalendarView">null</field>
<property name="calendarView" <property name="calendarView"
onget="return this.mCalendarView;" onget="return this.mCalendarView;"
@ -1080,6 +1180,10 @@
]]></setter> ]]></setter>
</property> </property>
<property name="parentColumn"
onget="return this.mParentColumn;"
onset="return (this.mParentColumn = val);"/>
<property name="startMinute" readonly="true" <property name="startMinute" readonly="true"
onget="if (!this.mOccurrence) return 0; return this.mOccurrence.occurrenceStartDate.hour * 60 + this.mOccurrence.occurrenceStartDate.minute"/> onget="if (!this.mOccurrence) return 0; return this.mOccurrence.occurrenceStartDate.hour * 60 + this.mOccurrence.occurrenceStartDate.minute"/>
@ -1088,10 +1192,33 @@
</implementation> </implementation>
<handlers> <handlers>
<handler event="mousedown"> <handler event="mousedown"><![CDATA[
this.calendarView.selectedOccurrence = this.mOccurrence; this.calendarView.selectedOccurrence = this.mOccurrence;
this.mInMouseDown = true;
this.mMouseX = event.clientX;
this.mMouseY = event.clientY;
this.mMouseTime = event.timeStamp;
event.preventBubble(); event.preventBubble();
</handler> ]]></handler>
<handler event="mousemove"><![CDATA[
if (!this.mInMouseDown)
return;
var dx = Math.abs(event.clientX - this.mMouseX);
var dy = Math.abs(event.clientY - this.mMouseY);
// more than a 3 pixel move?
if ((dx*dx + dy*dy) > 9) {
if (this.parentColumn) {
this.parentColumn.startSweepingToModifyEvent(this, this.mOccurrence, "middle", this.mMouseX, this.mMouseY);
this.mInMouseDown = false;
}
}
]]></handler>
<handler event="mouseup"><![CDATA[
this.mInMouseDown = false;
]]></handler>
<handler event="dblclick"><![CDATA[ <handler event="dblclick"><![CDATA[
if (this.calendarView.controller && this.mOccurrence) { if (this.calendarView.controller && this.mOccurrence) {
@ -1184,7 +1311,7 @@
this.calView.doAddEvent(occ); this.calView.doAddEvent(occ);
} }
}, },
onModifyItem: function (aOldItem, aNewItem) { onModifyItem: function (aNewItem, aOldItem) {
//dump ("++ ModifyItem\n"); //dump ("++ ModifyItem\n");
if (!(aOldItem instanceof Components.interfaces.calIEvent)) if (!(aOldItem instanceof Components.interfaces.calIEvent))
return; return;