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  Version 2 of our Xamarin Calendar component adds Resource view and support for Universal Windows Platform. Now beta testing spreadsheet component for Java Swing. We have released our Java Swing Pack.  
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One row/task
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Ionut Murarasu   Offline
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Posts: 8
I Love MindFusion!

One row/task
May 17th, 2017 at 12:07pm

Please take a look in the attachment image.
I want to block the user to add more than one appointments in the same task like in the example from the image.
I want to have only one appointment for the same task.
Can Awt Calendar stop the user from extend the task in more than one row ?

jPlanner.JPG (66 KB | 32 )
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Meppy   Offline
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MindFusion support

Re: One row/task
Reply #1 - May 17th, 2017 at 1:02pm

You can listen to the itemModifying event of the Calendar and ensure that the moved item does not collide with another item. The following code illustrates how:

calendar.addCalendarListener(new CalendarAdapter() {
	public void itemModifying(ItemModifyConfirmEvent e) {
		if (calendar.getSchedule().getAllItems(e.getNewStartTime(), e.getNewEndTime(), e.getResource()).size() > 1)

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