org.eclipse.search/search/org/eclipse/search/internal/ui/ScopePart.java - platform/eclipse.platform.text - Git at Google

 /*
  * (c) Copyright IBM Corp. 2000, 2001.
  * All Rights Reserved.
  */
 package org.eclipse.search.internal.ui;

 import java.util.Arrays;

 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Group;
 import org.eclipse.swt.widgets.Text;

 import org.eclipse.jface.dialogs.IDialogSettings;
 import org.eclipse.jface.util.Assert;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.IStructuredSelection;

 import org.eclipse.ui.dialogs.SelectionDialog;

 import org.eclipse.search.ui.ISearchPageContainer;
 import org.eclipse.search.ui.IWorkingSet;
 import org.eclipse.search.ui.SearchUI;

 import org.eclipse.search.internal.ui.util.SWTUtil;

 public class ScopePart {

 	// The possible scopes
 	public static final int WORKSPACE_SCOPE= 0;
 	public static final int SELECTION_SCOPE= 1;
 	public static final int WORKING_SET_SCOPE= 2;

 	private static String	fgLRUsedWorkingSetName;

 	// Settings store
 	private static final String DIALOG_SETTINGS_KEY= "SearchDialog.ScopePart"; //$NON-NLS-1$
 	private static final String STORE_LRU_WORKING_SET_NAME= "lastUsedWorkingSetName"; //$NON-NLS-1$
 	private static IDialogSettings fgSettingsStore;

 	private Group fPart;

 	// Scope radio buttons
 	private Button fUseWorkspace;
 	private Button fUseSelection;
 	private Button fUseWorkingSet;


 	private int			fScope;
 	private Text			fWorkingSetText;
 	private IWorkingSet	fWorkingSet;

 	// Reference to its search page container (can be null)
 	private ISearchPageContainer fSearchPageContainer;

 	/**
 	 * Returns a new scope part with workspace as initial scope.
 	 * The part is not yet created.
 	 */
 	public ScopePart() {
 		this(WORKSPACE_SCOPE);
 	}

 	/**
 	 * Returns a new scope part with workspace as initial scope.
 	 * The part is not yet created.
 	 */
 	public ScopePart(ISearchPageContainer searchPageContainer) {
 		this(WORKSPACE_SCOPE);
 		fSearchPageContainer= searchPageContainer;
 	}

 	/**
 	 * Returns a new scope part with an initial scope.
 	 * The part is not yet created.
 	 *
 	 * @see #createPart(Composite)
 	 * @param initialScope the initial scope
 	 */
 	public ScopePart(int initialScope) {
 		Assert.isLegal(initialScope >= 0 && initialScope <= 3);
 		fScope= initialScope;
 		fgSettingsStore= SearchPlugin.getDefault().getDialogSettings().getSection(DIALOG_SETTINGS_KEY);
 		if (fgSettingsStore == null)
 			fgSettingsStore= SearchPlugin.getDefault().getDialogSettings().addNewSection(DIALOG_SETTINGS_KEY);
 		String lruWorkingSetName= fgSettingsStore.get(STORE_LRU_WORKING_SET_NAME);
 		fWorkingSet= SearchUI.findWorkingSet(lruWorkingSetName);
 	}

 	/**
 	 * Returns a new scope part with an initial working set.
 	 * The part is not yet created.
 	 *
 	 * @see #createPart(Composite)
 	 * @param workingSet the initial working set
 	 */
 	public ScopePart(IWorkingSet workingSet) {
 		Assert.isNotNull(workingSet);
 		fScope= WORKING_SET_SCOPE;
 		fWorkingSet= workingSet;
 	}

 	/**
 	 * Returns the scope selected in this part
 	 *
 	 * @return the selected scope
 	 */
 	public int getSelectedScope() {
 		return fScope;
 	}

 	/**
 	 * Sets the selected scope.
 	 * This method must only be called on a created part.
 	 *
 	 * @param scope the scope to be selected in this part
 	 */
 	public void setSelectedScope(int scope) {
 		Assert.isLegal(scope >= 0 && scope <= 3);
 		Assert.isNotNull(fUseWorkspace);
 		Assert.isNotNull(fUseSelection);
 		Assert.isNotNull(fUseWorkingSet);
 		fScope= scope;
 		switch (fScope) {
 			case WORKSPACE_SCOPE:
 				fUseWorkspace.setSelection(true);
 				fUseSelection.setSelection(false);
 				fUseWorkingSet.setSelection(false);
 				break;
 			case SELECTION_SCOPE:
 				fUseWorkspace.setSelection(false);
 				fUseSelection.setSelection(true);
 				fUseWorkingSet.setSelection(false);
 				break;
 			case WORKING_SET_SCOPE:
 				fUseWorkspace.setSelection(false);
 				fUseSelection.setSelection(false);
 				fUseWorkingSet.setSelection(true);
 				break;
 		}

 		updateSearchPageContainerActionPerformedEnablement();
 	}

 	private void updateSearchPageContainerActionPerformedEnablement() {
 		if (fSearchPageContainer != null)
 			fSearchPageContainer.setPerformActionEnabled(fScope != WORKING_SET_SCOPE || fWorkingSet != null);
 	}

 	/**
 	 * Returns the selected working set of this part.
 	 *
 	 * @return the selected working set or null
 	 * 			- if the scope is not WORKING_SET_SCOPE
 	 * 			- if there is no working set selected
 	 */
 	public IWorkingSet getSelectedWorkingSet() {
 		if (getSelectedScope() == WORKING_SET_SCOPE)
 			return fWorkingSet;
 		else
 			return null;
 	}

 	/**
 	 * Sets the selected working set for this part.
 	 * This method must only be called on a created part.
 	 *
 	 * @param workingSet the working set to be selected
 	 */
 	public void setSelectedWorkingSet(IWorkingSet workingSet) {
 		Assert.isNotNull(workingSet);
 		setSelectedScope(WORKING_SET_SCOPE);
 		String name= workingSet.getName();
 		workingSet= SearchUI.findWorkingSet(name);
 		if (workingSet != null) {
 			fWorkingSet= workingSet;
 			fgSettingsStore.put(STORE_LRU_WORKING_SET_NAME, workingSet.getName());
 		} else {
 			name= ""; //$NON-NLS-1$
 			fWorkingSet= null;
 		}
 		if (fWorkingSetText != null)
 			fWorkingSetText.setText(name);
 	}

 	/**
 	 * Creates this scope part.
 	 *
 	 * @param parent a widget which will be the parent of the new instance (cannot be null)
 	 */
 	public Composite createPart(Composite parent) {
 		fPart= new Group(parent, SWT.NONE);
 		fPart.setText(SearchMessages.getString("ScopePart.group.text")); //$NON-NLS-1$

 		GridLayout layout= new GridLayout();
 		layout.numColumns= 3;
 		fPart.setLayout(layout);
 		fPart.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 		fUseWorkspace= new Button(fPart, SWT.RADIO);
 		fUseWorkspace.setData(new Integer(WORKSPACE_SCOPE));
 		fUseWorkspace.setText(SearchMessages.getString("ScopePart.workspaceScope.text")); //$NON-NLS-1$

 		fUseSelection= new Button(fPart, SWT.RADIO);
 		fUseSelection.setData(new Integer(SELECTION_SCOPE));
 		fUseSelection.setText(SearchMessages.getString("ScopePart.selectedResourcesScope.text")); //$NON-NLS-1$
 		ISelection selection= fSearchPageContainer.getSelection();
 		fUseSelection.setEnabled(selection instanceof IStructuredSelection && !fSearchPageContainer.getSelection().isEmpty());

 		GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
 		gd.horizontalSpan= 2;
 		gd.horizontalIndent= 8;
 		fUseSelection.setLayoutData(gd);

 		fUseWorkingSet= new Button(fPart, SWT.RADIO);
 		fUseWorkingSet.setData(new Integer(WORKING_SET_SCOPE));
 		fUseWorkingSet.setText(SearchMessages.getString("ScopePart.workingSetScope.text")); //$NON-NLS-1$
 		fWorkingSetText= new Text(fPart, SWT.SINGLE | SWT.BORDER | SWT.READ_ONLY);
 		Button chooseWorkingSet= new Button(fPart, SWT.PUSH);
 		chooseWorkingSet.setLayoutData(new GridData());
 		chooseWorkingSet.setText(SearchMessages.getString("ScopePart.workingSetChooseButton.text")); //$NON-NLS-1$
 		SWTUtil.setButtonDimensionHint(chooseWorkingSet);
 		chooseWorkingSet.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				if (handleChooseWorkingSet()) {
 					setSelectedScope(WORKING_SET_SCOPE);
 				}
 			}
 		});
 		gd= new GridData(GridData.FILL_HORIZONTAL);
 		gd.horizontalIndent= 8;
 		gd.widthHint= SWTUtil.convertWidthInCharsToPixels(30, fWorkingSetText);
 		fWorkingSetText.setLayoutData(gd);

 		// Add scope change listeners
 		SelectionAdapter scopeChangedLister= new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				handleScopeChanged(e);
 			}
 		};
 		fUseWorkspace.addSelectionListener(scopeChangedLister);
 		fUseSelection.addSelectionListener(scopeChangedLister);
 		fUseWorkingSet.addSelectionListener(scopeChangedLister);

 		// Set initial scope
 		setSelectedScope(fScope);

 		// Set initial working set
 		if (fWorkingSet != null)
 			fWorkingSetText.setText(fWorkingSet.getName());

 		return fPart;
 	}

 	private void handleScopeChanged(SelectionEvent e) {
 		Object source= e.getSource();
 		if (source instanceof Button) {
 			Button button= (Button)source;
 			if (button.getSelection())
 				setSelectedScope(((Integer)button.getData()).intValue());
 		}
 	}

 	private boolean handleChooseWorkingSet() {
 		SelectionDialog dialog= SearchUI.createWorkingSetDialog(fUseSelection.getShell());
 		if (fWorkingSet != null)
 			dialog.setInitialSelections(new IWorkingSet[] {fWorkingSet});
 		if (dialog.open() == dialog.OK) {
 			Object[] result= dialog.getResult();
 			if (result.length == 1) {
 				setSelectedWorkingSet((IWorkingSet)result[0]);
 				return true;
 			}
 			fWorkingSetText.setText(""); //$NON-NLS-1$
 			fWorkingSet= null;
 			if (fScope == WORKING_SET_SCOPE)
 				setSelectedScope(WORKSPACE_SCOPE);
 			return false;
 		} else {
 			// test if selected working set has been removed
 			if (!Arrays.asList(SearchUI.getWorkingSets()).contains(fWorkingSet)) {
 				fWorkingSetText.setText(""); //$NON-NLS-1$
 				fWorkingSet= null;
 				updateSearchPageContainerActionPerformedEnablement();
 			}
 		}
 		return false;
 	}

 	void setVisible(boolean state) {
 		fPart.setVisible(state);
 	}
 }
	/*
	* (c) Copyright IBM Corp. 2000, 2001.
	* All Rights Reserved.
	*/
	package org.eclipse.search.internal.ui;

	import java.util.Arrays;

	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Group;
	import org.eclipse.swt.widgets.Text;

	import org.eclipse.jface.dialogs.IDialogSettings;
	import org.eclipse.jface.util.Assert;
	import org.eclipse.jface.viewers.ISelection;
	import org.eclipse.jface.viewers.IStructuredSelection;

	import org.eclipse.ui.dialogs.SelectionDialog;

	import org.eclipse.search.ui.ISearchPageContainer;
	import org.eclipse.search.ui.IWorkingSet;
	import org.eclipse.search.ui.SearchUI;

	import org.eclipse.search.internal.ui.util.SWTUtil;

	public class ScopePart {

	// The possible scopes
	public static final int WORKSPACE_SCOPE= 0;
	public static final int SELECTION_SCOPE= 1;
	public static final int WORKING_SET_SCOPE= 2;

	private static String fgLRUsedWorkingSetName;

	// Settings store
	private static final String DIALOG_SETTINGS_KEY= "SearchDialog.ScopePart"; //$NON-NLS-1$
	private static final String STORE_LRU_WORKING_SET_NAME= "lastUsedWorkingSetName"; //$NON-NLS-1$
	private static IDialogSettings fgSettingsStore;

	private Group fPart;

	// Scope radio buttons
	private Button fUseWorkspace;
	private Button fUseSelection;
	private Button fUseWorkingSet;


	private int fScope;
	private Text fWorkingSetText;
	private IWorkingSet fWorkingSet;

	// Reference to its search page container (can be null)
	private ISearchPageContainer fSearchPageContainer;

	/**
	* Returns a new scope part with workspace as initial scope.
	* The part is not yet created.
	*/
	public ScopePart() {
	this(WORKSPACE_SCOPE);
	}

	/**
	* Returns a new scope part with workspace as initial scope.
	* The part is not yet created.
	*/
	public ScopePart(ISearchPageContainer searchPageContainer) {
	this(WORKSPACE_SCOPE);
	fSearchPageContainer= searchPageContainer;
	}

	/**
	* Returns a new scope part with an initial scope.
	* The part is not yet created.
	*
	* @see #createPart(Composite)
	* @param initialScope the initial scope
	*/
	public ScopePart(int initialScope) {
	Assert.isLegal(initialScope >= 0 && initialScope <= 3);
	fScope= initialScope;
	fgSettingsStore= SearchPlugin.getDefault().getDialogSettings().getSection(DIALOG_SETTINGS_KEY);
	if (fgSettingsStore == null)
	fgSettingsStore= SearchPlugin.getDefault().getDialogSettings().addNewSection(DIALOG_SETTINGS_KEY);
	String lruWorkingSetName= fgSettingsStore.get(STORE_LRU_WORKING_SET_NAME);
	fWorkingSet= SearchUI.findWorkingSet(lruWorkingSetName);
	}

	/**
	* Returns a new scope part with an initial working set.
	* The part is not yet created.
	*
	* @see #createPart(Composite)
	* @param workingSet the initial working set
	*/
	public ScopePart(IWorkingSet workingSet) {
	Assert.isNotNull(workingSet);
	fScope= WORKING_SET_SCOPE;
	fWorkingSet= workingSet;
	}

	/**
	* Returns the scope selected in this part
	*
	* @return the selected scope
	*/
	public int getSelectedScope() {
	return fScope;
	}

	/**
	* Sets the selected scope.
	* This method must only be called on a created part.
	*
	* @param scope the scope to be selected in this part
	*/
	public void setSelectedScope(int scope) {
	Assert.isLegal(scope >= 0 && scope <= 3);
	Assert.isNotNull(fUseWorkspace);
	Assert.isNotNull(fUseSelection);
	Assert.isNotNull(fUseWorkingSet);
	fScope= scope;
	switch (fScope) {
	case WORKSPACE_SCOPE:
	fUseWorkspace.setSelection(true);
	fUseSelection.setSelection(false);
	fUseWorkingSet.setSelection(false);
	break;
	case SELECTION_SCOPE:
	fUseWorkspace.setSelection(false);
	fUseSelection.setSelection(true);
	fUseWorkingSet.setSelection(false);
	break;
	case WORKING_SET_SCOPE:
	fUseWorkspace.setSelection(false);
	fUseSelection.setSelection(false);
	fUseWorkingSet.setSelection(true);
	break;
	}

	updateSearchPageContainerActionPerformedEnablement();
	}

	private void updateSearchPageContainerActionPerformedEnablement() {
	if (fSearchPageContainer != null)
	fSearchPageContainer.setPerformActionEnabled(fScope != WORKING_SET_SCOPE \|\| fWorkingSet != null);
	}

	/**
	* Returns the selected working set of this part.
	*
	* @return the selected working set or null
	* - if the scope is not WORKING_SET_SCOPE
	* - if there is no working set selected
	*/
	public IWorkingSet getSelectedWorkingSet() {
	if (getSelectedScope() == WORKING_SET_SCOPE)
	return fWorkingSet;
	else
	return null;
	}

	/**
	* Sets the selected working set for this part.
	* This method must only be called on a created part.
	*
	* @param workingSet the working set to be selected
	*/
	public void setSelectedWorkingSet(IWorkingSet workingSet) {
	Assert.isNotNull(workingSet);
	setSelectedScope(WORKING_SET_SCOPE);
	String name= workingSet.getName();
	workingSet= SearchUI.findWorkingSet(name);
	if (workingSet != null) {
	fWorkingSet= workingSet;
	fgSettingsStore.put(STORE_LRU_WORKING_SET_NAME, workingSet.getName());
	} else {
	name= ""; //$NON-NLS-1$
	fWorkingSet= null;
	}
	if (fWorkingSetText != null)
	fWorkingSetText.setText(name);
	}

	/**
	* Creates this scope part.
	*
	* @param parent a widget which will be the parent of the new instance (cannot be null)
	*/
	public Composite createPart(Composite parent) {
	fPart= new Group(parent, SWT.NONE);
	fPart.setText(SearchMessages.getString("ScopePart.group.text")); //$NON-NLS-1$

	GridLayout layout= new GridLayout();
	layout.numColumns= 3;
	fPart.setLayout(layout);
	fPart.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	fUseWorkspace= new Button(fPart, SWT.RADIO);
	fUseWorkspace.setData(new Integer(WORKSPACE_SCOPE));
	fUseWorkspace.setText(SearchMessages.getString("ScopePart.workspaceScope.text")); //$NON-NLS-1$

	fUseSelection= new Button(fPart, SWT.RADIO);
	fUseSelection.setData(new Integer(SELECTION_SCOPE));
	fUseSelection.setText(SearchMessages.getString("ScopePart.selectedResourcesScope.text")); //$NON-NLS-1$
	ISelection selection= fSearchPageContainer.getSelection();
	fUseSelection.setEnabled(selection instanceof IStructuredSelection && !fSearchPageContainer.getSelection().isEmpty());

	GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
	gd.horizontalSpan= 2;
	gd.horizontalIndent= 8;
	fUseSelection.setLayoutData(gd);

	fUseWorkingSet= new Button(fPart, SWT.RADIO);
	fUseWorkingSet.setData(new Integer(WORKING_SET_SCOPE));
	fUseWorkingSet.setText(SearchMessages.getString("ScopePart.workingSetScope.text")); //$NON-NLS-1$
	fWorkingSetText= new Text(fPart, SWT.SINGLE \| SWT.BORDER \| SWT.READ_ONLY);
	Button chooseWorkingSet= new Button(fPart, SWT.PUSH);
	chooseWorkingSet.setLayoutData(new GridData());
	chooseWorkingSet.setText(SearchMessages.getString("ScopePart.workingSetChooseButton.text")); //$NON-NLS-1$
	SWTUtil.setButtonDimensionHint(chooseWorkingSet);
	chooseWorkingSet.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	if (handleChooseWorkingSet()) {
	setSelectedScope(WORKING_SET_SCOPE);
	}
	}
	});
	gd= new GridData(GridData.FILL_HORIZONTAL);
	gd.horizontalIndent= 8;
	gd.widthHint= SWTUtil.convertWidthInCharsToPixels(30, fWorkingSetText);
	fWorkingSetText.setLayoutData(gd);

	// Add scope change listeners
	SelectionAdapter scopeChangedLister= new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	handleScopeChanged(e);
	}
	};
	fUseWorkspace.addSelectionListener(scopeChangedLister);
	fUseSelection.addSelectionListener(scopeChangedLister);
	fUseWorkingSet.addSelectionListener(scopeChangedLister);

	// Set initial scope
	setSelectedScope(fScope);

	// Set initial working set
	if (fWorkingSet != null)
	fWorkingSetText.setText(fWorkingSet.getName());

	return fPart;
	}

	private void handleScopeChanged(SelectionEvent e) {
	Object source= e.getSource();
	if (source instanceof Button) {
	Button button= (Button)source;
	if (button.getSelection())
	setSelectedScope(((Integer)button.getData()).intValue());
	}
	}

	private boolean handleChooseWorkingSet() {
	SelectionDialog dialog= SearchUI.createWorkingSetDialog(fUseSelection.getShell());
	if (fWorkingSet != null)
	dialog.setInitialSelections(new IWorkingSet[] {fWorkingSet});
	if (dialog.open() == dialog.OK) {
	Object[] result= dialog.getResult();
	if (result.length == 1) {
	setSelectedWorkingSet((IWorkingSet)result[0]);
	return true;
	}
	fWorkingSetText.setText(""); //$NON-NLS-1$
	fWorkingSet= null;
	if (fScope == WORKING_SET_SCOPE)
	setSelectedScope(WORKSPACE_SCOPE);
	return false;
	} else {
	// test if selected working set has been removed
	if (!Arrays.asList(SearchUI.getWorkingSets()).contains(fWorkingSet)) {
	fWorkingSetText.setText(""); //$NON-NLS-1$
	fWorkingSet= null;
	updateSearchPageContainerActionPerformedEnablement();
	}
	}
	return false;
	}

	void setVisible(boolean state) {
	fPart.setVisible(state);
	}
	}