Home » Eclipse Projects » Nebula » collapsible buttons layout issue
| collapsible buttons layout issue [message #47270] |
Thu, 24 January 2008 07:23  |
Eclipse User |
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This is a multi-part message in MIME format.
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I have an issue concerning the collapsible buttons widget: the
ButtonsTester example works fine. I then try to use the widget in my RCP
ViewPart class and the added CustomButtons do not show, no matter how
often I call redraw, update, layout and so on.
I tracked down the error to the CollapsibleButtons.VerticalLayout class
which lays out the button only when button.isVisible is true. In the
ButtonsTester example this method returns true, in my RCP view it
returns false. The result is that the button does not receive a layout.
If I uncomment the visibility check the buttons are correctly displayed
and the collapse works too, but there is an issue with the toolbar at
the bottom of the composite.
Attached is my ViewPart class.
Regards,
Stefan Reger
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Content-Type: text/plain;
name="ModuleBarView.java"
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filename="ModuleBarView.java"
package de.itscope.mv.ui.views;
import org.eclipse.nebula.widgets.collapsiblebuttons.CollapsibleBut tons;
import org.eclipse.nebula.widgets.collapsiblebuttons.CustomButton;
import org.eclipse.nebula.widgets.collapsiblebuttons.IButtonListene r;
import org.eclipse.nebula.widgets.collapsiblebuttons.ImageCache;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
import org.eclipse.ui.part.ViewPart;
import de.itscope.mv.ui.MvGuiPlugin;
public class ModuleBarView extends ViewPart {
public static final String ID = "de.itscope.mv.ui.views.ModuleBarView"; //$NON-NLS-1$
private CollapsibleButtons bc;
/**
* Create contents of the view part
* @param parent
*/
@Override
public void createPartControl(Composite parent) {
final GridLayout gridLayout = new GridLayout();
gridLayout.verticalSpacing = 0;
gridLayout.marginWidth = 0;
gridLayout.marginHeight = 0;
gridLayout.horizontalSpacing = 0;
parent.setLayout(gridLayout);
final Composite composite = new Composite(parent, SWT.NONE);
composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
composite.setBackground(SWTResourceManager.getColor(214, 223, 247));
composite.setLayout(new GridLayout());
final ToolBar toolBar = new ToolBar(composite, SWT.VERTICAL);
toolBar.setBackground(SWTResourceManager.getColor(214, 223, 247));
final GridData gd_toolBar = new GridData(SWT.CENTER, SWT.TOP, false, false);
gd_toolBar.verticalIndent = 5;
gd_toolBar.horizontalIndent = 5;
toolBar.setLayoutData(gd_toolBar);
final ToolItem newItemToolItem = new ToolItem(toolBar, SWT.RADIO);
newItemToolItem.setImage(ResourceManager.getPluginImage(MvGu iPlugin.getDefault(), "oxicons/24x24/devices/gba.png"));
newItemToolItem.setText("ITscope-Katalog");
final ToolItem newItemToolItem_1 = new ToolItem(toolBar, SWT.RADIO);
newItemToolItem_1.setImage(ResourceManager.getPluginImage(Mv GuiPlugin.getDefault(), "oxicons/24x24/devices/cdrom_unmount.png"));
newItemToolItem_1.setText("Produktlisten");
final ToolItem newItemToolItem_2 = new ToolItem(toolBar, SWT.RADIO);
newItemToolItem_2.setImage(ResourceManager.getPluginImage(Mv GuiPlugin.getDefault(), "oxicons/24x24/devices/gnome-dev-harddisk-1394.png"));
newItemToolItem_2.setText("Produktvergleich");
final ToolItem newItemToolItem_3 = new ToolItem(toolBar, SWT.PUSH);
newItemToolItem_3.setImage(ResourceManager.getPluginImage(Mv GuiPlugin.getDefault(), "oxicons/24x24/devices/multimedia-player.png"));
newItemToolItem_3.setText("Kalkulation");
final ToolItem newItemToolItem_4 = new ToolItem(toolBar, SWT.PUSH);
newItemToolItem_4.setImage(ResourceManager.getPluginImage(Mv GuiPlugin.getDefault(), "oxicons/24x24/devices/video-display.png"));
newItemToolItem_4.setText("Statistik");
bc = new CollapsibleButtons(parent, SWT.BORDER);
bc.setLayoutData(new GridData(SWT.FILL, SWT.BOTTOM, true, false));
bc.addButton("Produkte", null, ResourceManager.getPluginImage(MvGuiPlugin.getDefault(), "oxicons/24x24/devices/cdrom_unmount.png"), ResourceManager.getPluginImage(MvGuiPlugin.getDefault(), "oxicons/16x16/devices/cdrom_unmount.png"));
bc.addButton("Vorg
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| Re: collapsible buttons layout issue [message #62918 is a reply to message #47732] |
Tue, 10 March 2009 15:38  |
| Eclipse User |
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I ran into the same issue. I figured I'd my two cents and the work
around I found.
From what I can tell, the problem with CollapsibleButtons now showing
up initially in a view has something to do with the view being laid out
before the Eclipse Workbench is open. Basically, calls to the parent
isVisible() return false until the workbench/view actually open causing
the buttons to not be displayed.
I briefly looked at creating a patch for CollapsibleButtons, but the
algorithms heavily depend on isVisible, so I couldn't figure out a
solution that didn't create more bugs (such as toolbar errors - similar
to what Stefan wrote below).
Thus, the solution (read: hack) is to add a listener for the Workbench
opening and use that to invalidate/relayout the CollapsibleButtons on
workbench open.
Ex:
PlatformUI.getWorkbench().addWindowListener(new IWindowListener(){
@Override
public void windowActivated(IWorkbenchWindow window) {}
@Override
public void windowClosed(IWorkbenchWindow window) {}
@Override
public void windowDeactivated(IWorkbenchWindow window) {}
@Override
public void windowOpened(IWorkbenchWindow window) {
//Invalidate the size and relayout
bc.setSize(-1,-1);
bc.forceLayoutUpdate();
//Cleanup listener as it's only needed once
PlatformUI.getWorkbench().removeWindowListener(this);
}});
-Matt
Sjoerd Kessels wrote:
> I have the same issue. Actually the buttons are shown when you drag the
> handle down a bit once. In my case I tried to use the ButtonTester code
> exactly with the same result.
>
> Sjoerd Kessels
>
> Stefan Reger schreef:
>> I have an issue concerning the collapsible buttons widget: the
>> ButtonsTester example works fine. I then try to use the widget in my
>> RCP ViewPart class and the added CustomButtons do not show, no matter
>> how often I call redraw, update, layout and so on.
>>
>> I tracked down the error to the CollapsibleButtons.VerticalLayout
>> class which lays out the button only when button.isVisible is true. In
>> the ButtonsTester example this method returns true, in my RCP view it
>> returns false. The result is that the button does not receive a
>> layout. If I uncomment the visibility check the buttons are correctly
>> displayed and the collapse works too, but there is an issue with the
>> toolbar at the bottom of the composite.
>>
>> Attached is my ViewPart class.
>>
>> Regards,
>> Stefan Reger
>>
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| Re: collapsible buttons layout issue [message #588051 is a reply to message #47270] |
Sun, 27 January 2008 11:05 |
| Eclipse User |
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I have the same issue. Actually the buttons are shown when you drag the
handle down a bit once. In my case I tried to use the ButtonTester code
exactly with the same result.
Sjoerd Kessels
Stefan Reger schreef:
> I have an issue concerning the collapsible buttons widget: the
> ButtonsTester example works fine. I then try to use the widget in my RCP
> ViewPart class and the added CustomButtons do not show, no matter how
> often I call redraw, update, layout and so on.
>
> I tracked down the error to the CollapsibleButtons.VerticalLayout class
> which lays out the button only when button.isVisible is true. In the
> ButtonsTester example this method returns true, in my RCP view it
> returns false. The result is that the button does not receive a layout.
> If I uncomment the visibility check the buttons are correctly displayed
> and the collapse works too, but there is an issue with the toolbar at
> the bottom of the composite.
>
> Attached is my ViewPart class.
>
> Regards,
> Stefan Reger
>
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| Re: collapsible buttons layout issue [message #593944 is a reply to message #47732] |
Tue, 10 March 2009 15:38 |
| Eclipse User |
|
|
|
I ran into the same issue. I figured I'd my two cents and the work
around I found.
From what I can tell, the problem with CollapsibleButtons now showing
up initially in a view has something to do with the view being laid out
before the Eclipse Workbench is open. Basically, calls to the parent
isVisible() return false until the workbench/view actually open causing
the buttons to not be displayed.
I briefly looked at creating a patch for CollapsibleButtons, but the
algorithms heavily depend on isVisible, so I couldn't figure out a
solution that didn't create more bugs (such as toolbar errors - similar
to what Stefan wrote below).
Thus, the solution (read: hack) is to add a listener for the Workbench
opening and use that to invalidate/relayout the CollapsibleButtons on
workbench open.
Ex:
PlatformUI.getWorkbench().addWindowListener(new IWindowListener(){
@Override
public void windowActivated(IWorkbenchWindow window) {}
@Override
public void windowClosed(IWorkbenchWindow window) {}
@Override
public void windowDeactivated(IWorkbenchWindow window) {}
@Override
public void windowOpened(IWorkbenchWindow window) {
//Invalidate the size and relayout
bc.setSize(-1,-1);
bc.forceLayoutUpdate();
//Cleanup listener as it's only needed once
PlatformUI.getWorkbench().removeWindowListener(this);
}});
-Matt
Sjoerd Kessels wrote:
> I have the same issue. Actually the buttons are shown when you drag the
> handle down a bit once. In my case I tried to use the ButtonTester code
> exactly with the same result.
>
> Sjoerd Kessels
>
> Stefan Reger schreef:
>> I have an issue concerning the collapsible buttons widget: the
>> ButtonsTester example works fine. I then try to use the widget in my
>> RCP ViewPart class and the added CustomButtons do not show, no matter
>> how often I call redraw, update, layout and so on.
>>
>> I tracked down the error to the CollapsibleButtons.VerticalLayout
>> class which lays out the button only when button.isVisible is true. In
>> the ButtonsTester example this method returns true, in my RCP view it
>> returns false. The result is that the button does not receive a
>> layout. If I uncomment the visibility check the buttons are correctly
>> displayed and the collapse works too, but there is an issue with the
>> toolbar at the bottom of the composite.
>>
>> Attached is my ViewPart class.
>>
>> Regards,
>> Stefan Reger
>>
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