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.android.ide.eclipse.adt.internal.ui.ResourceExplorerView.java

License:Open Source License

@Override
public void createPartControl(Composite parent) {
    mTree = new Tree(parent, SWT.SINGLE | SWT.VIRTUAL);
    mTree.setLayoutData(new GridData(GridData.FILL_BOTH));
    mTree.setHeaderVisible(true);//  ww w. ja va 2  s  .c  om
    mTree.setLinesVisible(true);

    final IPreferenceStore store = AdtPlugin.getDefault().getPreferenceStore();

    // create 2 columns. The main one with the resources, and an "info" column.
    createTreeColumn(mTree, "Resources", SWT.LEFT, "abcdefghijklmnopqrstuvwxz", -1, PREFS_COLUMN_RES, store); //$NON-NLS-2$
    createTreeColumn(mTree, "Info", SWT.LEFT, "0123456789", -1, PREFS_COLUMN_2, store); //$NON-NLS-2$

    // create the jface wrapper
    mTreeViewer = new TreeViewer(mTree);

    mTreeViewer.setContentProvider(new ResourceContentProvider(true /* fullLevels */));
    mTreeViewer.setLabelProvider(new ResourceLabelProvider());

    // listen to selection change in the workbench.
    IWorkbenchPage page = getSite().getPage();

    page.addSelectionListener(this);

    // init with current selection
    selectionChanged(getSite().getPart(), page.getSelection());

    // add support for double click.
    mTreeViewer.addDoubleClickListener(new IDoubleClickListener() {
        @Override
        public void doubleClick(DoubleClickEvent event) {
            ISelection sel = event.getSelection();

            if (sel instanceof IStructuredSelection) {
                IStructuredSelection selection = (IStructuredSelection) sel;

                if (selection.size() == 1) {
                    Object element = selection.getFirstElement();

                    // if it's a resourceFile, we directly open it.
                    if (element instanceof ResourceFile) {
                        try {
                            IAbstractFile iAbstractFile = ((ResourceFile) element).getFile();
                            if (iAbstractFile instanceof IFileWrapper) {
                                IDE.openEditor(getSite().getWorkbenchWindow().getActivePage(),
                                        ((IFileWrapper) iAbstractFile).getIFile());
                            }
                        } catch (PartInitException e) {
                        }
                    } else if (element instanceof ResourceItem) {
                        // if it's a ResourceItem, we open the first file, but only if
                        // there's no alternate files.
                        ResourceItem item = (ResourceItem) element;

                        if (item.isEditableDirectly()) {
                            ResourceFile[] files = item.getSourceFileArray();
                            if (files[0] != null) {
                                try {
                                    IAbstractFile iAbstractFile = files[0].getFile();
                                    if (iAbstractFile instanceof IFileWrapper) {
                                        IDE.openEditor(getSite().getWorkbenchWindow().getActivePage(),
                                                ((IFileWrapper) iAbstractFile).getIFile());
                                    }
                                } catch (PartInitException e) {
                                }
                            }
                        }
                    }
                }
            }
        }
    });

    // set up the resource manager to send us resource change notification
    AdtPlugin.getDefault().getResourceMonitor().addResourceEventListener(this);
}

From source file:com.android.ide.eclipse.adt.internal.wizards.actions.ExportAction.java

License:Open Source License

@Override
public void run(IAction action) {
    if (mSelection instanceof IStructuredSelection) {
        IStructuredSelection selection = (IStructuredSelection) mSelection;
        // get the unique selected item.
        if (selection.size() == 1) {
            Object element = selection.getFirstElement();

            // get the project object from it.
            IProject project = null;//from w  w  w.  j  a v a  2 s .  c o  m
            if (element instanceof IProject) {
                project = (IProject) element;
            } else if (element instanceof IAdaptable) {
                project = (IProject) ((IAdaptable) element).getAdapter(IProject.class);
            }

            // and finally do the action
            if (project != null) {
                if (!EclipseLintRunner.runLintOnExport(mShell, project)) {
                    return;
                }

                ProjectState state = Sdk.getProjectState(project);
                if (state.isLibrary()) {
                    MessageDialog.openError(mShell, "Android Export",
                            "Android library projects cannot be exported.");
                } else {
                    ExportHelper.exportUnsignedReleaseApk(project);
                }
            }
        }
    }
}

From source file:com.android.ide.eclipse.adt.internal.wizards.actions.ExportWizardAction.java

License:Open Source License

@Override
public void run(IAction action) {
    if (mSelection instanceof IStructuredSelection) {
        IStructuredSelection selection = (IStructuredSelection) mSelection;

        // get the unique selected item.
        if (selection.size() == 1) {
            Object element = selection.getFirstElement();

            // get the project object from it.
            IProject project = null;/*from  w w w . j  a  va 2s  .c  om*/
            if (element instanceof IProject) {
                project = (IProject) element;
            } else if (element instanceof IAdaptable) {
                project = (IProject) ((IAdaptable) element).getAdapter(IProject.class);
            }

            // and finally do the action
            if (project != null) {
                if (!EclipseLintRunner.runLintOnExport(mWorkbench.getActiveWorkbenchWindow().getShell(),
                        project)) {
                    return;
                }

                ProjectState state = Sdk.getProjectState(project);
                if (state.isLibrary()) {
                    MessageDialog.openError(mWorkbench.getDisplay().getActiveShell(), "Android Export",
                            "Android library projects cannot be exported.");
                } else {
                    // call the export wizard on the current selection.
                    ExportWizard wizard = new ExportWizard();
                    wizard.init(mWorkbench, selection);
                    WizardDialog dialog = new WizardDialog(mWorkbench.getDisplay().getActiveShell(), wizard);
                    dialog.open();
                }
            }
        }
    }
}

From source file:com.android.ide.eclipse.adt.internal.wizards.export.ExportWizard.java

License:Open Source License

@Override
public void init(IWorkbench workbench, IStructuredSelection selection) {
    // get the project from the selection
    Object selected = selection.getFirstElement();

    if (selected instanceof IProject) {
        mProject = (IProject) selected;/*  w w w  .j a  v a  2  s  .c  o  m*/
    } else if (selected instanceof IAdaptable) {
        IResource r = (IResource) ((IAdaptable) selected).getAdapter(IResource.class);
        if (r != null) {
            mProject = r.getProject();
        }
    }
}

From source file:com.android.ide.eclipse.adt.internal.wizards.exportgradle.ConfirmationPage.java

License:Open Source License

@Override
public void createControl(Composite parent) {
    initializeDialogUnits(parent);//from  w  w w .  ja  v  a  2  s .c o m
    GridData data;

    Composite workArea = new Composite(parent, SWT.NONE);
    setControl(workArea);

    workArea.setLayout(new GridLayout());
    workArea.setLayoutData(
            new GridData(GridData.FILL_BOTH | GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL));

    Label title = new Label(workArea, SWT.NONE);
    title.setText("Please review the export options.");

    Group group = new Group(workArea, SWT.NONE);
    group.setText("Project root");
    group.setLayout(new GridLayout());
    group.setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false));

    mProjectRootLabel = new Label(group, SWT.NONE);
    mProjectRootLabel.setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false));

    mProjectRootWarning = new Label(group, SWT.NONE);
    mProjectRootWarning.setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false));

    Group group2 = new Group(workArea, SWT.NONE);
    group2.setText("Exported Modules");
    group2.setLayout(new GridLayout());
    group2.setLayoutData(data = new GridData(SWT.FILL, SWT.FILL, true, true));
    data.heightHint = 300;

    Table table = new Table(group2, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    mTableViewer = new TableViewer(table);
    table.setLayout(new TableLayout());
    table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    mTableViewer.setContentProvider(new IStructuredContentProvider() {
        @Override
        public Object[] getElements(Object inputElement) {
            if (inputElement instanceof ProjectSetupBuilder) {
                ProjectSetupBuilder builder = (ProjectSetupBuilder) inputElement;
                Collection<GradleModule> modules = builder.getModules();
                Object[] array = new Object[modules.size()];
                int i = 0;
                for (GradleModule module : modules) {
                    array[i++] = module.getJavaProject();
                }

                return array;
            }

            return null;
        }

        @Override
        public void dispose() {
        }

        @Override
        public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
        }

    });
    mTableViewer.setLabelProvider(new WorkbenchLabelProvider() {
        @Override
        protected String decorateText(String input, Object element) {
            if (element instanceof IJavaProject) {
                IJavaProject javaProject = (IJavaProject) element;
                StringBuilder sb = new StringBuilder(input);
                if (!mBuilder.isOriginalProject(javaProject)) {
                    sb.append('*');
                }
                // TODO: decorate icon instead?
                if (mOverrideProjects.contains(javaProject)) {
                    sb.append(" (1 warning)");
                }

                return sb.toString();
            }

            return input;
        }
    });
    mTableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection selection = (IStructuredSelection) event.getSelection();
            Object firstElement = selection.getFirstElement();
            if (firstElement instanceof IJavaProject) {
                GradleModule module = mBuilder.getModule((IJavaProject) firstElement);
                if (mBuilder.getOriginalModules().contains(module)) {
                    mModuleDescription1.setText("Exported because selected in previous page.");
                } else {
                    List<GradleModule> list = mBuilder.getShortestDependencyTo(module);
                    StringBuilder sb = new StringBuilder();
                    for (GradleModule m : list) {
                        if (sb.length() > 0) {
                            sb.append(" > ");
                        }
                        sb.append(m.getJavaProject().getProject().getName());
                    }
                    mModuleDescription1.setText("Dependency chain: " + sb);
                }
                mModuleDescription2.setText("Path: " + module.getPath());

                if (mOverrideProjects.contains(module.getJavaProject())) {
                    mModuleDescription3.setText("WARNING: build.gradle already exists for this project");
                } else {
                    mModuleDescription3.setText("");
                }
            } else {
                mModuleDescription1.setText("");
                mModuleDescription2.setText("");
                mModuleDescription3.setText("");
            }
        }
    });

    mModuleDescription1 = new Label(group2, SWT.NONE);
    mModuleDescription1.setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false));
    mModuleDescription2 = new Label(group2, SWT.NONE);
    mModuleDescription2.setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false));
    mModuleDescription3 = new Label(group2, SWT.NONE);
    mModuleDescription3.setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false));

    mForceOverride = new Button(workArea, SWT.CHECK);
    mForceOverride.setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false));
    mForceOverride.setText("Force overriding of existing files");
    mForceOverride.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            updateEnablement();
        }
    });

    setControl(workArea);
    Dialog.applyDialogFont(parent);
}

From source file:com.android.ide.eclipse.adt.launch.LaunchShortcut.java

License:Open Source License

public void launch(ISelection selection, String mode) {
    if (selection instanceof IStructuredSelection) {

        // get the object and the project from it
        IStructuredSelection structSelect = (IStructuredSelection) selection;
        Object o = structSelect.getFirstElement();

        // get the first (and normally only) element
        if (o instanceof IAdaptable) {
            IResource r = (IResource) ((IAdaptable) o).getAdapter(IResource.class);

            // get the project from the resource
            if (r != null) {
                IProject project = r.getProject();

                if (project != null) {
                    // and launch
                    launch(project, mode);
                }/*  w  w  w  .  ja  va 2 s  .  c  o m*/
            }
        }
    }
}

From source file:com.android.ide.eclipse.adt.ndk.internal.actions.AddNativeAction.java

License:Open Source License

public void run(IAction action) {
    IProject project = null;/*from   w ww .j ava  2  s . c  o  m*/
    if (mSelection instanceof IStructuredSelection) {
        IStructuredSelection ss = (IStructuredSelection) mSelection;
        if (ss.size() == 1) {
            Object obj = ss.getFirstElement();
            if (obj instanceof IProject) {
                project = (IProject) obj;
            } else if (obj instanceof PlatformObject) {
                project = (IProject) ((PlatformObject) obj).getAdapter(IProject.class);
            }
        }
    }

    if (project != null) {
        AddNativeWizard wizard = new AddNativeWizard(project, mPart.getSite().getWorkbenchWindow());
        WizardDialog dialog = new WizardDialog(mPart.getSite().getShell(), wizard);
        dialog.open();
    }

}

From source file:com.android.ide.eclipse.adt.project.export.ExportWizard.java

License:Open Source License

public void init(IWorkbench workbench, IStructuredSelection selection) {
    // get the project from the selection
    Object selected = selection.getFirstElement();

    if (selected instanceof IProject) {
        mProject = (IProject) selected;//from   www .  j av a2  s.c  om
    } else if (selected instanceof IAdaptable) {
        IResource r = (IResource) ((IAdaptable) selected).getAdapter(IResource.class);
        if (r != null) {
            mProject = r.getProject();
        }
    }
}

From source file:com.android.ide.eclipse.adt.project.ExportAction.java

License:Open Source License

public void run(IAction action) {
    if (mSelection instanceof IStructuredSelection) {
        IStructuredSelection selection = (IStructuredSelection) mSelection;
        // get the unique selected item.
        if (selection.size() == 1) {
            Object element = selection.getFirstElement();

            // get the project object from it.
            IProject project = null;/*from w  w w.  ja  v a2  s  .com*/
            if (element instanceof IProject) {
                project = (IProject) element;
            } else if (element instanceof IAdaptable) {
                project = (IProject) ((IAdaptable) element).getAdapter(IProject.class);
            }

            // and finally do the action
            if (project != null) {
                ExportHelper.exportProject(project);
            }
        }
    }
}

From source file:com.android.ide.eclipse.adt.ui.ConfigurationSelector.java

License:Open Source License

public ConfigurationSelector(Composite parent) {
    super(parent, SWT.NONE);

    mBaseConfiguration.createDefault();/*from   www.  j  a  va  2 s  .  c o m*/

    GridLayout gl = new GridLayout(4, false);
    gl.marginWidth = gl.marginHeight = 0;
    setLayout(gl);

    // first column is the first table
    final Table fullTable = new Table(this, SWT.SINGLE | SWT.FULL_SELECTION | SWT.BORDER);
    fullTable.setLayoutData(new GridData(GridData.FILL_BOTH));
    fullTable.setHeaderVisible(true);
    fullTable.setLinesVisible(true);

    // create the column
    final TableColumn fullTableColumn = new TableColumn(fullTable, SWT.LEFT);
    // set the header
    fullTableColumn.setText("Available Qualifiers");

    fullTable.addControlListener(new ControlAdapter() {
        @Override
        public void controlResized(ControlEvent e) {
            Rectangle r = fullTable.getClientArea();
            fullTableColumn.setWidth(r.width);
        }
    });

    mFullTableViewer = new TableViewer(fullTable);
    mFullTableViewer.setContentProvider(new QualifierContentProvider());
    mFullTableViewer.setLabelProvider(new QualifierLabelProvider(false /* showQualifierValue */));
    mFullTableViewer.setInput(mBaseConfiguration);
    mFullTableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            ISelection selection = event.getSelection();
            if (selection instanceof IStructuredSelection) {
                IStructuredSelection structSelection = (IStructuredSelection) selection;
                Object first = structSelection.getFirstElement();

                if (first instanceof ResourceQualifier) {
                    mAddButton.setEnabled(true);
                    return;
                }
            }

            mAddButton.setEnabled(false);
        }
    });

    // 2nd column is the left/right arrow button
    Composite buttonComposite = new Composite(this, SWT.NONE);
    gl = new GridLayout(1, false);
    gl.marginWidth = gl.marginHeight = 0;
    buttonComposite.setLayout(gl);
    buttonComposite.setLayoutData(new GridData(GridData.FILL_VERTICAL));

    new Composite(buttonComposite, SWT.NONE);
    mAddButton = new Button(buttonComposite, SWT.BORDER | SWT.PUSH);
    mAddButton.setText("->");
    mAddButton.setEnabled(false);
    mAddButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            IStructuredSelection selection = (IStructuredSelection) mFullTableViewer.getSelection();

            Object first = selection.getFirstElement();
            if (first instanceof ResourceQualifier) {
                ResourceQualifier qualifier = (ResourceQualifier) first;

                mBaseConfiguration.removeQualifier(qualifier);
                mSelectedConfiguration.addQualifier(qualifier);

                mFullTableViewer.refresh();
                mSelectionTableViewer.refresh();
                mSelectionTableViewer.setSelection(new StructuredSelection(qualifier), true);

                onChange(false /* keepSelection */);
            }
        }
    });

    mRemoveButton = new Button(buttonComposite, SWT.BORDER | SWT.PUSH);
    mRemoveButton.setText("<-");
    mRemoveButton.setEnabled(false);
    mRemoveButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            IStructuredSelection selection = (IStructuredSelection) mSelectionTableViewer.getSelection();

            Object first = selection.getFirstElement();
            if (first instanceof ResourceQualifier) {
                ResourceQualifier qualifier = (ResourceQualifier) first;

                mSelectedConfiguration.removeQualifier(qualifier);
                mBaseConfiguration.addQualifier(qualifier);

                mFullTableViewer.refresh();
                mSelectionTableViewer.refresh();

                onChange(false /* keepSelection */);
            }
        }
    });

    // 3rd column is the selected config table
    final Table selectionTable = new Table(this, SWT.SINGLE | SWT.FULL_SELECTION | SWT.BORDER);
    selectionTable.setLayoutData(new GridData(GridData.FILL_BOTH));
    selectionTable.setHeaderVisible(true);
    selectionTable.setLinesVisible(true);

    // create the column
    final TableColumn selectionTableColumn = new TableColumn(selectionTable, SWT.LEFT);
    // set the header
    selectionTableColumn.setText("Chosen Qualifiers");

    selectionTable.addControlListener(new ControlAdapter() {
        @Override
        public void controlResized(ControlEvent e) {
            Rectangle r = selectionTable.getClientArea();
            selectionTableColumn.setWidth(r.width);
        }
    });
    mSelectionTableViewer = new TableViewer(selectionTable);
    mSelectionTableViewer.setContentProvider(new QualifierContentProvider());
    mSelectionTableViewer.setLabelProvider(new QualifierLabelProvider(true /* showQualifierValue */));
    mSelectionTableViewer.setInput(mSelectedConfiguration);
    mSelectionTableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            // ignore selection changes during resfreshes in some cases.
            if (mOnRefresh) {
                return;
            }

            ISelection selection = event.getSelection();
            if (selection instanceof IStructuredSelection) {
                IStructuredSelection structSelection = (IStructuredSelection) selection;

                if (structSelection.isEmpty() == false) {
                    Object first = structSelection.getFirstElement();

                    if (first instanceof ResourceQualifier) {
                        mRemoveButton.setEnabled(true);

                        QualifierEditBase composite = mUiMap.get(first.getClass());

                        if (composite != null) {
                            composite.setQualifier((ResourceQualifier) first);
                        }

                        mStackLayout.topControl = composite;
                        mQualifierEditParent.layout();

                        return;
                    }
                } else {
                    mStackLayout.topControl = null;
                    mQualifierEditParent.layout();
                }
            }

            mRemoveButton.setEnabled(false);
        }
    });

    // 4th column is the detail of the selected qualifier 
    mQualifierEditParent = new Composite(this, SWT.NONE);
    mQualifierEditParent.setLayout(mStackLayout = new StackLayout());
    mQualifierEditParent.setLayoutData(new GridData(GridData.FILL_VERTICAL));

    // create the UI for all the qualifiers, and associate them to the ResourceQualifer class.
    mUiMap.put(CountryCodeQualifier.class, new MCCEdit(mQualifierEditParent));
    mUiMap.put(NetworkCodeQualifier.class, new MNCEdit(mQualifierEditParent));
    mUiMap.put(LanguageQualifier.class, new LanguageEdit(mQualifierEditParent));
    mUiMap.put(RegionQualifier.class, new RegionEdit(mQualifierEditParent));
    mUiMap.put(ScreenOrientationQualifier.class, new OrientationEdit(mQualifierEditParent));
    mUiMap.put(PixelDensityQualifier.class, new PixelDensityEdit(mQualifierEditParent));
    mUiMap.put(TouchScreenQualifier.class, new TouchEdit(mQualifierEditParent));
    mUiMap.put(KeyboardStateQualifier.class, new KeyboardEdit(mQualifierEditParent));
    mUiMap.put(TextInputMethodQualifier.class, new TextInputEdit(mQualifierEditParent));
    mUiMap.put(NavigationMethodQualifier.class, new NavigationEdit(mQualifierEditParent));
    mUiMap.put(ScreenDimensionQualifier.class, new ScreenDimensionEdit(mQualifierEditParent));
}