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Home » Newcomers » Newcomers » Custom Sashform widget not retaining its width after closing the tab(Custom Sashform widget not retaining its width after closing the tab)
Custom Sashform widget not retaining its width after closing the tab [message #1797249] Mon, 29 October 2018 08:03
Shankha P is currently offline Shankha PFriend
Messages: 1
Registered: October 2018
Junior Member
Hi ,

I am having a custom SSashform whose default layout creates a vertical sash. This vertical sash is a combination of 3 parts - sashpart[0], collapsebutton and sashpart[1]. To either side of this vertical sash, I have rectangle composite objects. Now, when i try to drag the sash and change its position and close the tab. And I try to re-open the tab again, my last made changes in the sash position is not retained and the default layout(sash position) open each time.

I tried to handle the SashDrag event of the sash and allowed the container-data to be set for that model-element of the sash , so that when we reopen the tab again, the sash comes back to the position where I last positioned it.

Below is the code :
//c1 and c2 are controls to handle rectangle b1 and b2 on either side of the sash
Object data1 = c1.getLayoutData();

System.out.println("data1 : "+data1);
if (data1 == null || !(data1 instanceof SashFormData)) {
data1 = new SashFormData();
c1.setLayoutData(data1);
}
Object data2 = c2.getLayoutData();
System.out.println("data2 : "+data2);

if (data2 == null || !(data2 instanceof SashFormData)) {
data2 = new SashFormData();
c2.setLayoutData(data2);
}
((SashFormData) data1).weight = (((long) b1.width << 16)
+ area.width - 1)
/ area.width;
((SashFormData) data2).weight = (((long) b2.width << 16)
+ area.width - 1)
/ area.width;


Would really appreciate for your time and help/suggestion in this

Regards
Shankha
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