Example usage for org.eclipse.jface.viewers IStructuredSelection getFirstElement

List of usage examples for org.eclipse.jface.viewers IStructuredSelection getFirstElement

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Introduction

In this page you can find the example usage for org.eclipse.jface.viewers IStructuredSelection getFirstElement.

Prototype

public Object getFirstElement();

Source Link

Document

Returns the first element in this selection, or null if the selection is empty.

Usage

From source file:com.aptana.js.debug.ui.internal.actions.NewDetailFormatterAction.java

License:Open Source License

/**
 * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
 *//*  w w  w . java2s  . co  m*/
public void run(IAction action) {
    IStructuredSelection selection = getCurrentSelection();
    if (selection == null || selection.size() != 1) {
        return;
    }
    Object element = selection.getFirstElement();
    String typeName;
    try {
        if (element instanceof IJSVariable) {
            typeName = ((IJSVariable) element).getReferenceTypeName();
        } else {
            return;
        }
    } catch (DebugException e) {
        IdeLog.logError(JSDebugUIPlugin.getDefault(), e);
        return;
    }
    DebugOptionsManager detailFormattersManager = JSDebugPlugin.getDefault().getDebugOptionsManager();
    DetailFormatter detailFormatter = new DetailFormatter(typeName, StringUtil.EMPTY, true);
    if (new DetailFormatterDialog(UIUtils.getActiveShell(), detailFormatter, null, true, false)
            .open() == Window.OK) {
        detailFormattersManager.setAssociatedDetailFormatter(detailFormatter);
        refreshCurrentSelection();
    }
}

From source file:com.aptana.js.debug.ui.internal.actions.NewWatchpointAction.java

License:Open Source License

public void run(IAction action) {
    IStructuredSelection selection = getCurrentSelection();
    if (selection == null || selection.size() != 1) {
        return;/*from  w  ww. ja  v  a  2 s .c  o  m*/
    }
    Object element = selection.getFirstElement();
    try {
        if (element instanceof IJSVariable) {
            JSDebugModel.createWatchpoint((IJSVariable) element);
            refreshCurrentSelection();
        }
    } catch (CoreException e) {
        IdeLog.logError(JSDebugUIPlugin.getDefault(), e);
        return;
    }
}

From source file:com.aptana.js.debug.ui.internal.actions.OpenScriptSourceAction.java

License:Open Source License

/**
 * @see org.eclipse.ui.actions.SelectionProviderAction#selectionChanged(org.eclipse.jface.viewers.IStructuredSelection)
 *///  ww w.  j  av a  2s.  c om
public void selectionChanged(IStructuredSelection selection) {
    if (selection.size() == 1) {
        Object element = selection.getFirstElement();
        if (element instanceof IJSScriptElement) {
            scriptElement = (IJSScriptElement) element;
            URI location = scriptElement.getLocation();
            if (location != null) {
                setEnabled(true);
                int lineNumber = scriptElement.getBaseLine();
                Object sourceElement = DebugUITools.lookupSource(scriptElement, getSourceLocator(scriptElement))
                        .getSourceElement();
                IEditorInput editorInput = SourceDisplayUtil.getEditorInput(sourceElement);
                if (editorInput != null) {
                    IEditorPart editorPart = SourceDisplayUtil.findEditor(editorInput);
                    if (editorPart != null) {
                        SourceDisplayUtil.revealLineInEditor(editorPart, lineNumber);
                    }
                }
                return;
            }
        }
    } else {
        scriptElement = null;
    }
    setEnabled(false);
}

From source file:com.aptana.js.debug.ui.internal.actions.RemoveDetailFormatterAction.java

License:Open Source License

/**
 * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
 *///from  w  w w. ja  v a 2  s.com
public void run(IAction action) {
    IStructuredSelection selection = getCurrentSelection();
    if (selection == null || selection.size() != 1) {
        return;
    }
    Object element = selection.getFirstElement();
    String typeName;
    try {
        if (element instanceof IJSVariable) {
            typeName = ((IJSVariable) element).getReferenceTypeName();
        } else {
            return;
        }
    } catch (DebugException e) {
        IdeLog.logError(JSDebugUIPlugin.getDefault(), e);
        return;
    }
    DebugOptionsManager detailFormattersManager = JSDebugPlugin.getDefault().getDebugOptionsManager();
    DetailFormatter detailFormatter = detailFormattersManager.getAssociatedDetailFormatter(typeName);
    detailFormattersManager.removeAssociatedDetailFormatter(detailFormatter);
    refreshCurrentSelection();
}

From source file:com.aptana.js.debug.ui.internal.preferences.JSDetailFormattersPreferencePage.java

License:Open Source License

private void updatePage(IStructuredSelection selection) {
    removeFormatterButton.setEnabled(!selection.isEmpty());
    editFormatterButton.setEnabled(selection.size() == 1);
    sourceViewer.getDocument()//from   w ww.java  2 s.c o  m
            .set((selection.size() == 1) ? ((DetailFormatter) selection.getFirstElement()).getSnippet()
                    : StringUtil.EMPTY);
}

From source file:com.aptana.js.debug.ui.internal.preferences.JSDetailFormattersPreferencePage.java

License:Open Source License

@SuppressWarnings("unchecked")
private void removeTypes() {
    Object[] list = formatters.toArray();
    IStructuredSelection selection = (IStructuredSelection) listViewer.getSelection();
    Object first = selection.getFirstElement();
    int index = -1;
    for (int i = 0; i < list.length; i++) {
        if (list[i].equals(first)) {
            index = i;/* w  w  w . j  a va2s . co  m*/
            break;
        }
    }

    removeDetailFormatters(
            (DetailFormatter[]) selection.toList().toArray(new DetailFormatter[selection.size()]));

    list = formatters.toArray();
    if (index > list.length - 1) {
        index = list.length - 1;
    }
    if (index >= 0) {
        listViewer.setSelection(new StructuredSelection(list[index]));
    }
}

From source file:com.aptana.ruby.internal.debug.ui.breakpoints.AbstractDetailPane.java

License:Open Source License

public void display(IStructuredSelection selection) {
    // clear status line
    IStatusLineManager statusLine = getStatusLine();
    if (statusLine != null) {
        statusLine.setErrorMessage(null);
    }/*from  ww w.j  av a 2  s  .  c  o m*/
    AbstractRubyBreakpointEditor editor = getEditor();
    Object input = null;
    if (selection != null && selection.size() == 1) {
        input = selection.getFirstElement();
        // update even if the same in case attributes have changed
    }
    try {
        editor.setInput(input);
    } catch (CoreException e) {
        IdeLog.logError(RubyDebugUIPlugin.getDefault(), e);
    }
}

From source file:com.aptana.ruby.internal.debug.ui.breakpoints.BreakpointDetailPaneFactory.java

License:Open Source License

@SuppressWarnings("rawtypes")
public Set getDetailPaneTypes(IStructuredSelection selection) {
    HashSet<String> set = new HashSet<String>();
    if (selection.size() == 1) {
        IBreakpoint b = (IBreakpoint) selection.getFirstElement();
        try {/*from w  w  w . ja v  a2s. c  o  m*/
            String type = b.getMarker().getType();
            if (RubyLineBreakpoint.RUBY_LINE_BREAKPOINT.equals(type)) {
                set.add(LineBreakpointDetailPane.DETAIL_PANE_LINE_BREAKPOINT);
            } else {
                set.add(StandardBreakpointDetailPane.DETAIL_PANE_STANDARD);
            }
        } catch (CoreException e) {
        }
    }
    return set;
}

From source file:com.aptana.ruby.internal.debug.ui.breakpoints.BreakpointDetailPaneFactory.java

License:Open Source License

public String getDefaultDetailPane(IStructuredSelection selection) {
    if (selection.size() == 1) {
        IBreakpoint b = (IBreakpoint) selection.getFirstElement();
        try {/*from  www  .  j av a 2s  .c  om*/
            String type = b.getMarker().getType();
            if (RubyLineBreakpoint.RUBY_LINE_BREAKPOINT.equals(type)) {
                return LineBreakpointDetailPane.DETAIL_PANE_LINE_BREAKPOINT;
            }
            return StandardBreakpointDetailPane.DETAIL_PANE_STANDARD;
        } catch (CoreException e) {
        }
    }
    return null;
}

From source file:com.aptana.ruby.internal.rake.actions.RakeTasksContributionItem.java

License:Open Source License

private IResource getSelectedResource() {
    IEvaluationService evalService = (IEvaluationService) serviceLocator.getService(IEvaluationService.class);

    if (evalService != null) {
        IEvaluationContext context = evalService.getCurrentState();
        IWorkbenchPart activePart = (IWorkbenchPart) context.getVariable(ISources.ACTIVE_PART_NAME);
        if (activePart instanceof IEditorPart) {
            IEditorInput input = (IEditorInput) context.getVariable(ISources.ACTIVE_EDITOR_INPUT_NAME);
            return (IResource) input.getAdapter(IResource.class);
        }//from w w w .j  ava  2 s .c o m
        ISelection selection = (ISelection) context.getVariable(ISources.ACTIVE_CURRENT_SELECTION_NAME);
        if (selection instanceof IStructuredSelection) {
            IStructuredSelection struct = (IStructuredSelection) selection;
            Object firstElement = struct.getFirstElement();
            if (firstElement instanceof IResource) {
                return (IResource) firstElement;
            } else if (firstElement instanceof IAdaptable) {
                IAdaptable adaptable = (IAdaptable) firstElement;
                return (IResource) adaptable.getAdapter(IResource.class);
            }
        }
    }
    return null;
}