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.ide.debug.internal.ui.launchConfigurations.HttpServerSettingsTab.java

License:Open Source License

private void removePaths() {
    IStructuredSelection selection = (IStructuredSelection) fListViewer.getSelection();
    Object first = selection.getFirstElement();
    int index = -1;
    for (int i = 0; i < elements.size(); i++) {
        Object object = elements.get(i);
        if (object.equals(first)) {
            index = i;/*from  w  ww . j av  a  2s. c  o  m*/
            break;
        }
    }
    elements.removeAll(selection.toList());
    if (index > elements.size() - 1) {
        index = elements.size() - 1;
    }
    if (index >= 0) {
        fListViewer.setSelection(new StructuredSelection(elements.get(index)));
    }
    setDirty(true);
    updateLaunchConfigurationDialog();
}

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

License:Open Source License

private void updatePage(IStructuredSelection selection) {
    removeFormatterButton.setEnabled(!selection.isEmpty());
    editFormatterButton.setEnabled(selection.size() == 1);
    sourceViewer.getDocument()//from  ww  w  .ja  v  a2 s.co m
            .set(selection.size() == 1 ? ((DetailFormatter) selection.getFirstElement()).getSnippet()
                    : StringUtils.EMPTY);
}

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

License:Open Source License

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 ww . j  a va  2  s  .c o  m*/
            break;
        }
    }

    removeDetailFormatters(selection.toArray());

    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.ide.editor.erb.wizards.ERBNewFileWizard.java

License:Open Source License

private String getProperExtension(ISelection selection) {
    String extension = null;//from ww  w  .  j  a v  a  2s  .  co m
    if (selection instanceof IStructuredSelection) {
        IStructuredSelection structured = (IStructuredSelection) selection;
        Object first = structured.getFirstElement();
        if (!(first instanceof IResource) && (first instanceof IAdaptable)) {
            IAdaptable adaptable = (IAdaptable) first;
            Object resource = adaptable.getAdapter(IResource.class);
            if (resource != null) {
                first = resource;
            }
        }
        if (first instanceof IResource) {
            IResource res = (IResource) first;
            IProject proj = res.getProject();
            String version = RailsPlugin.getRailsVersion(proj);
            if (version == null)
                return HTML_ERB;
            Version yeah = new Version(version);
            if (yeah.getMajor() >= 2)
                extension = HTML_ERB;
            else
                extension = RHTML;
        }
    }
    return extension;
}

From source file:com.aptana.ide.editors.ui.views.problems.ProblemsPage.java

License:Open Source License

/**
 * viewerSelectionChanged//from  ww w. j  a  v  a2 s .  c o  m
 * 
 * @param selection
 */
protected void viewerSelectionChanged(IStructuredSelection selection) {

    IEditorPart ed = null;

    try {
        ed = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActiveEditor();
    } catch (Exception e) {
        return;
    }

    if (ed instanceof IUnifiedEditor) {
        ViewContentItem item = (ViewContentItem) selection.getFirstElement();
        if (item != null) {
            ((IUnifiedEditor) ed).selectAndReveal(item.offset, item.len);
        }
    }

}

From source file:com.aptana.ide.editors.views.actions.ActionsView.java

License:Open Source License

private void makeActions() {

    actionMakeExecutable = new org.eclipse.jface.action.Action() {
        public void run() {
            ISelection selection = viewer.getSelection();

            if (selection != null && selection instanceof IStructuredSelection) {
                IStructuredSelection structuredSelection = (IStructuredSelection) selection;
                Object element = structuredSelection.getFirstElement();
                if (element instanceof ActionSet) {
                    if (((ActionSet) element).isExecutable()) {
                        ((ActionSet) element).setExecutable(false);
                    } else {
                        ((ActionSet) element).setExecutable(true);
                    }/*ww  w.  j av  a  2s.  co  m*/

                    viewer.refresh();
                }
            }

        }
    };
    actionMakeExecutable.setText(Messages.ActionsView_ToggleExecutable);
    actionMakeExecutable.setToolTipText(Messages.ActionsView_ToggleToolTip);

    actionExecute = new org.eclipse.jface.action.Action() {
        public void run() {
            ActionsViewEvent e = new ActionsViewEvent(ActionsViewEventTypes.EXECUTE);
            ISelection selection = viewer.getSelection();

            if (selection != null && selection instanceof IStructuredSelection) {
                IStructuredSelection structuredSelection = (IStructuredSelection) selection;
                Object element = structuredSelection.getFirstElement();
                IAction[] actions;

                if (element instanceof IAction) {
                    actions = new IAction[] { (IAction) element };
                } else {
                    actions = new IAction[0];
                }

                e.setActions(actions);
            }

            fireActionsViewEvent(e);
        }
    };
    actionExecute.setText(Messages.ActionsView_Execute);
    actionExecute.setToolTipText(Messages.ActionsView_ExecuteToolTip);

    actionAddCurrentFile = new org.eclipse.jface.action.Action() {
        public void run() {
            ActionsViewEvent e = new ActionsViewEvent(ActionsViewEventTypes.ADD_CURRENT_FILE);
            ISelection selection = viewer.getSelection();
            if (selection != null) {
                Object firstElement = ((IStructuredSelection) selection).getFirstElement();
                if (firstElement instanceof ActionSet) {
                    e.setName(((ActionSet) firstElement).getName());
                }
            }

            fireActionsViewEvent(e);
        }
    };
    actionAddCurrentFile.setText(Messages.ActionsView_AddCurrentFile);
    actionAddCurrentFile.setToolTipText(Messages.ActionsView_AddCurrentFileToolTip);

    actionNewActionSet = new org.eclipse.jface.action.Action() {
        public void run() {
            InputDialog input = new InputDialog(getSite().getShell(), Messages.ActionsView_NewActionSetName,
                    Messages.ActionsView_PleaseEnterActionSetName, StringUtils.EMPTY, null);

            if (input.open() == Window.OK && input.getValue().length() > 0) {
                ActionsViewEvent e = new ActionsViewEvent(ActionsViewEventTypes.CREATE_ACTION_SET);
                e.setName(input.getValue());
                fireActionsViewEvent(e);
            }
        }
    };
    actionNewActionSet.setText(Messages.ActionsView_NewActionSet);
    actionNewActionSet.setToolTipText(Messages.ActionsView_NewActionSet);
    actionNewActionSet.setImageDescriptor(fAddFileIconDescriptor);

    actionEdit = new org.eclipse.jface.action.Action() {
        public void run() {
            ISelection selection = viewer.getSelection();

            if (selection != null) {
                Object firstElement = ((IStructuredSelection) selection).getFirstElement();
                if (firstElement instanceof Action) {
                    Action a = (Action) firstElement;
                    editAction(a);
                }
            }
        }
    };
    actionEdit.setText(Messages.ActionsView_EditAction);
    actionEdit.setToolTipText(Messages.ActionsView_EditAction);

    actionReload = new org.eclipse.jface.action.Action() {
        public void run() {
            ISelection selection = viewer.getSelection();

            if (selection != null) {
                Object firstElement = ((IStructuredSelection) selection).getFirstElement();
                if (firstElement instanceof Action) {
                    Action a = (Action) firstElement;
                    reloadAction(a);
                }
            }
        }
    };
    actionReload.setText(Messages.ActionsView_ReloadAction);
    actionReload.setToolTipText(Messages.ActionsView_ReloadAction);

    actionAdd = new org.eclipse.jface.action.Action() {
        public void run() {
            FileDialog fileDialog = new FileDialog(viewer.getControl().getShell(), SWT.MULTI);
            fileDialog.setFilterExtensions(FILTER_EXTENSIONS);
            fileDialog.setFilterNames(FILTER_NAMES);
            String text = fileDialog.open();
            if (text != null) {
                IPath basePath = new Path(fileDialog.getFilterPath());
                String[] fileNames = fileDialog.getFileNames();
                IPath[] paths = new IPath[fileNames.length];

                for (int i = 0; i < paths.length; i++) {
                    paths[i] = basePath.append(fileNames[i]);
                }

                ActionsViewEvent e = new ActionsViewEvent(ActionsViewEventTypes.ADD);
                e.setPaths(paths);
                fireActionsViewEvent(e);
            }
        }
    };

    actionAdd.setText(Messages.ActionsView_AddFile);
    actionAdd.setToolTipText(Messages.ActionsView_AddFile);
    actionAdd.setImageDescriptor(fAddFileIconDescriptor);

    actionDelete = new org.eclipse.jface.action.Action() {
        public void run() {
            removeFiles(viewer.getSelection());
        }
    };
    actionDelete.setText(Messages.ActionsView_RemoveFile);
    actionDelete.setToolTipText(Messages.ActionsView_RemoveFile);
    actionDelete.setImageDescriptor(
            PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(ISharedImages.IMG_TOOL_DELETE));

    actionDoubleClick = new org.eclipse.jface.action.Action() {
        public void run() {
            ISelection selection = viewer.getSelection();
            Object firstElement = ((IStructuredSelection) selection).getFirstElement();

            if (firstElement instanceof ActionSet) {
                toggleElementState(firstElement);
            } else if (firstElement instanceof IAction) {
                ActionsViewEvent e = new ActionsViewEvent(ActionsViewEventTypes.EXECUTE);
                IAction[] actions = new IAction[] { (IAction) firstElement };

                e.setActions(actions);

                fireActionsViewEvent(e);
            }
        }
    };
}

From source file:com.aptana.ide.editors.wizards.SimpleNewWizardPage.java

License:Open Source License

/**
 * Tests if the current workbench selection is a suitable container to use.
 *//*from   w w w . ja  v  a  2s . c o  m*/

private void initialize() {
    if (selection != null && selection.isEmpty() == false && selection instanceof IStructuredSelection) {
        IStructuredSelection ssel = (IStructuredSelection) selection;
        if (ssel.size() > 1) {
            return;
        }
        Object obj = ssel.getFirstElement();
        if (!(obj instanceof IResource) && (obj instanceof IAdaptable)) {
            IAdaptable adaptable = (IAdaptable) obj;
            Object resource = adaptable.getAdapter(IResource.class);
            if (resource != null) {
                obj = resource;
            }
        }
        if (obj instanceof IResource) {
            IContainer container;
            if (obj instanceof IContainer) {
                container = (IContainer) obj;
            } else {
                container = ((IResource) obj).getParent();
            }
            containerText.setText(container.getFullPath().toString());
        }
    }
    if (defaultFileName != null) {
        fileText.setText(defaultFileName);
    }
}

From source file:com.aptana.ide.installer.actions.RemoveFeatureAction.java

License:Open Source License

/**
 * @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction,
 *      org.eclipse.jface.viewers.ISelection)
 *///from   w w  w  .ja  v a 2s.c  o  m
public void selectionChanged(IAction action, ISelection selection) {
    this.selectedFeature = null;
    if (selection != null && !selection.isEmpty()) {
        if (selection instanceof IStructuredSelection) {
            IStructuredSelection sel = (IStructuredSelection) selection;
            Object element = sel.getFirstElement();
            if (element instanceof IPlugin) {
                IPlugin ref = (IPlugin) element;
                IPlugin ref2 = FeatureUtil.findInstalledPlugin(ref.getId());

                if (ref2 != null) {
                    URL url = ref2.getURL();
                    String protocol = url.getProtocol();
                    if (protocol.equals("file")) //$NON-NLS-1$
                    {
                        this.selectedFeature = ref2;
                    }
                }
            }
        }
    }
    action.setEnabled(selectedFeature != null);
}

From source file:com.aptana.ide.search.AptanaFileSearchPage.java

License:Open Source License

/**
 * hack for obtaining correct match/* w  w w .j  av a  2 s .c  o m*/
 * uses stack trace to ovverride behaviour if is called from magic super class methods
 * @see org.eclipse.search.ui.text.AbstractTextSearchViewPage#getCurrentMatch()
 */
public Match getCurrentMatch() {
    if (this.layout == AptanaFileSearchPage.LAYOUT_MATCHES) {
        // hack for returning correct results for next and previous matches
        StackTraceElement[] stackTrace = new Exception().getStackTrace();
        String methodName = stackTrace[1].getMethodName();
        if (methodName.equals("gotoNextMatch")) //$NON-NLS-1$
        {
            return null;
        }
        if (methodName.equals("gotoPreviousMatch")) //$NON-NLS-1$
        {
            return null;
        }

        IStructuredSelection selection = (IStructuredSelection) this.getViewer().getSelection();
        Object element = selection.getFirstElement();
        return (Match) element;
    }
    return super.getCurrentMatch();
}

From source file:com.aptana.ide.search.ui.filesystem.AptanaFileSystemSearchPage.java

License:Open Source License

/**
 * @see org.eclipse.search.ui.text.AbstractTextSearchViewPage#getCurrentMatch()
 *///from www . ja v  a 2s . com
public Match getCurrentMatch() {
    if (this.layout == LAYOUT_MATCHES) {
        // hack for returning correct results for next and previous matches
        StackTraceElement[] stackTrace = new Exception().getStackTrace();
        String methodName = stackTrace[1].getMethodName();
        if (methodName.equals("gotoNextMatch")) //$NON-NLS-1$
        {
            return null;
        }
        if (methodName.equals("gotoPreviousMatch")) //$NON-NLS-1$
        {
            return null;
        }

        IStructuredSelection selection = (IStructuredSelection) this.getViewer().getSelection();
        Object element = selection.getFirstElement();
        return (Match) element;
    }
    return super.getCurrentMatch();
}