bundles/org.eclipse.ui.views/src/org/eclipse/ui/views/markers/internal/TableSortDialog.java - platform/eclipse.platform.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2003 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Common Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/cpl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/

 package org.eclipse.ui.views.markers.internal;

 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Comparator;

 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.IDialogConstants;
 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.Combo;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Shell;

 public class TableSortDialog extends Dialog {

 	private TableSorter sorter;
 	private Combo[] priorityCombos;
 	private String[] propertyText;
 	private IField[] properties;
 	private Button[] ascendingButtons;
 	private Button[] descendingButtons;
 	private boolean dirty;
 	private final Comparator columnComparator = new Comparator() {
 		public int compare(Object arg0, Object arg1) {
 			int index0 = -1;
 			int index1 = -1;
 			for (int i = 0; i < propertyText.length; i++) {
 				if (propertyText[i].equals(arg0))
 					index0 = i;
 				if (propertyText[i].equals(arg1))
 					index1 = i;
 			}
 			return index0 - index1;
 		}
 	};


 	public TableSortDialog(Shell parentShell, TableSorter sorter) {
 		super(parentShell);
 		this.sorter = sorter;
 		dirty = false;
 	}

 	/* (non-Javadoc)
 	 * Method declared on Window.
 	 */
 	protected void configureShell(Shell newShell) {
 		super.configureShell(newShell);
 		newShell.setText(Messages.getString("sortDialog.title")); //$NON-NLS-1$
 	}

 	/* (non-Javadoc)
 	 * Method declared on Dialog.
 	 */
 	protected Control createDialogArea(Composite parent) {
 		Composite composite = (Composite) super.createDialogArea(parent);
 		if (sorter == null)
 			return composite;

 		createPrioritiesArea(composite);
 		createRestoreDefaultsButton(composite);
 		createSeparatorLine(composite);

 		return composite;
 	}

 	private void createPrioritiesArea(Composite parent) {
 		Composite prioritiesArea = new Composite(parent, SWT.NULL);
 		prioritiesArea.setLayout(new GridLayout(3, false));

 		int[] priorities = sorter.getPriorities();
 		int[] directions = sorter.getDirections();

 		ascendingButtons = new Button[priorities.length];
 		descendingButtons = new Button[priorities.length];
 		priorityCombos = new Combo[Math.min(priorities.length, TableSorter.MAX_DEPTH)];
 		initPriotityText();

 		Label sortByLabel = new Label(prioritiesArea, SWT.NULL);
 		sortByLabel.setText(Messages.getString("sortDialog.label")); //$NON-NLS-1$
 		GridData data = new GridData();
 		data.horizontalSpan = 3;
 		sortByLabel.setLayoutData(data);

 		for (int i = 0; i < priorityCombos.length; i++) {
 			final int index = i;
 			Label numberLabel = new Label(prioritiesArea, SWT.NULL);
 			numberLabel.setText(Messages.format("sortDialog.columnLabel", new Object[] {new Integer(i + 1)})); //$NON-NLS-1$

 			priorityCombos[i] = new Combo(prioritiesArea, SWT.READ_ONLY);
 			priorityCombos[i].setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 			Composite directionGroup = new Composite(prioritiesArea, SWT.NONE);
 			directionGroup.setLayout(new GridLayout(2, false));
 			ascendingButtons[i] = new Button(directionGroup, SWT.RADIO);
 			ascendingButtons[i].setText(Messages.getString("sortDirectionAscending.text")); //$NON-NLS-1$
 			ascendingButtons[i].addSelectionListener(new SelectionAdapter() {
 				public void widgetSelected(SelectionEvent e) {
 					markDirty();
 				}
 			});
 			descendingButtons[i] = new Button(directionGroup, SWT.RADIO);
 			descendingButtons[i].setText(Messages.getString("sortDirectionDescending.text")); //$NON-NLS-1$
 			descendingButtons[i].addSelectionListener(new SelectionAdapter() {
 				public void widgetSelected(SelectionEvent e) {
 					markDirty();
 				}
 			});

 			if (i < priorityCombos.length - 1) {
 				priorityCombos[i].addSelectionListener(new SelectionAdapter() {
 					public void widgetSelected(SelectionEvent e) {
 						int oldSelectionDirection = TableSorter.ASCENDING;
 						if (descendingButtons[index].getSelection())
 							oldSelectionDirection = TableSorter.DESCENDING;
 						ArrayList oldSelectionList = new ArrayList(Arrays.asList(priorityCombos[index].getItems()));
 						oldSelectionList.removeAll(Arrays.asList(priorityCombos[index + 1].getItems()));
 						if (oldSelectionList.size() != 1)
 							return;
 						String oldSelection = (String) oldSelectionList.get(0);
 						String newSelection = priorityCombos[index].getItem(priorityCombos[index].getSelectionIndex());
 						if (oldSelection.equals(newSelection)) {
 							return;
 						}
 						for (int j = index + 1; j < priorityCombos.length; j++) {
 							int newSelectionIndex = priorityCombos[j].indexOf(newSelection);
 							//this combo's current selection is equal to newSelection
 							if (priorityCombos[j].getSelectionIndex() == newSelectionIndex) {
 								priorityCombos[j].remove(newSelection);
 								int insertionPoint = -1 - Arrays.binarySearch(priorityCombos[j].getItems(), oldSelection, columnComparator);
 								if (insertionPoint >= 0 && insertionPoint <= priorityCombos[j].getItemCount())
 									priorityCombos[j].add(oldSelection, insertionPoint);
 								else
 									priorityCombos[j].add(oldSelection);
 								priorityCombos[j].select(priorityCombos[j].indexOf(oldSelection));
 								ascendingButtons[index].setSelection(ascendingButtons[j].getSelection());
 								descendingButtons[index].setSelection(descendingButtons[j].getSelection());
 								ascendingButtons[j].setSelection(oldSelectionDirection == TableSorter.ASCENDING);
 								descendingButtons[j].setSelection(oldSelectionDirection == TableSorter.DESCENDING);
 							}
 							//this combo contains newSelection
 							else if (newSelectionIndex >= 0) {
 								priorityCombos[j].remove(newSelection);
 								int insertionPoint = -1 - Arrays.binarySearch(priorityCombos[j].getItems(), oldSelection, columnComparator);
 								if (insertionPoint >= 0 && insertionPoint <= priorityCombos[j].getItemCount())
 									priorityCombos[j].add(oldSelection, insertionPoint);
 								else
 									priorityCombos[j].add(oldSelection);
 							}
 						}
 						markDirty();
 					}
 				});
 			}
 			else {
 				priorityCombos[i].addSelectionListener(new SelectionAdapter() {
 					public void widgetSelected(SelectionEvent e) {
 						markDirty();
 					}
 				});
 			}
 		}
 		updateUIFromSorter();
 	}

 	private void createRestoreDefaultsButton(Composite parent) {
 		Button defaultsButton = new Button(parent, SWT.PUSH);
 		defaultsButton.setText(Messages.getString("restoreDefaults.text")); //$NON-NLS-1$
 		setButtonSize(defaultsButton, new GridData(GridData.HORIZONTAL_ALIGN_END | GridData.FILL_HORIZONTAL));
 		defaultsButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				restoreDefaults();
 				markDirty();
 			}
 		});
 	}

 	private void createSeparatorLine(Composite parent) {
 		Label separator = new Label(parent, SWT.SEPARATOR | SWT.HORIZONTAL);
 		separator.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_CENTER));
 //		separator.setForeground(new Color(parent.getDisplay(), 150, 150, 150));
 //		separator.setBackground(new Color(parent.getDisplay(), 150, 150, 150));
 	}

 	private void restoreDefaults() {
 		updateUI(sorter.getDefaultPriorities(), sorter.getDefaultDirections());
 	}

 	private void updateUIFromSorter() {
 		updateUI(sorter.getPriorities(), sorter.getDirections());
 	}

 	private void updateUI(int[] priorities, int[] directions) {
 		ArrayList availablePriorities = new ArrayList(Arrays.asList(propertyText));

 		for (int i = 0; i < priorityCombos.length; i++) {
 			priorityCombos[i].removeAll();
 			for (int j = 0; j < availablePriorities.size(); j++)
 				priorityCombos[i].add((String) availablePriorities.get(j));
 			priorityCombos[i].select(priorityCombos[i].indexOf(propertyText[priorities[i]]));
 			availablePriorities.remove(propertyText[priorities[i]]);

 			ascendingButtons[i].setSelection(directions[priorities[i]] == TableSorter.ASCENDING);
 			descendingButtons[i].setSelection(directions[priorities[i]] == TableSorter.DESCENDING);
 		}
 	}

 	protected void okPressed() {
 		if (isDirty()) {
 			for (int i = priorityCombos.length - 1; i >= 0; i--) {
 				String column = priorityCombos[i].getItem(priorityCombos[i].getSelectionIndex());
 				int index = -1;
 				for (int j = 0; j < propertyText.length && index == -1; j++) {
 					if (propertyText[j].equals(column))
 						index = j;
 				}
 				if (index == -1) {
 					sorter.resetState();
 					return;
 				}
 				sorter.setTopPriority(properties[index]);
 				int direction = TableSorter.ASCENDING;
 				if (descendingButtons[i].getSelection())
 					direction = TableSorter.DESCENDING;
 				sorter.setTopPriorityDirection(direction);
 			}
 		}
 		super.okPressed();
 	}

 	/**
 	 * @return boolean
 	 */
 	public boolean isDirty() {
 		return dirty;
 	}

 	/**
 	 * Sets the dirty flag to true;
 	 * @param dirty The dirty to set
 	 */
 	public void markDirty() {
 		dirty = true;
 	}

 	/**
 	 * Set the layout data of the button to a GridData with
 	 * appropriate heights and widths.
 	 * @param button
 	 */
 	private void setButtonSize(Button button, GridData buttonData) {
 		buttonData.heightHint =
 			convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT);
 		int widthHint =
 			convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
 		buttonData.widthHint =
 			Math.max(
 				widthHint,
 				button.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
 		button.setLayoutData(buttonData);
 	}

 	private void initPriotityText() {
 		IField[] unorderedProperties = sorter.getFields();
 		properties = new IField[unorderedProperties.length];
 		System.arraycopy(unorderedProperties, 0, properties, 0, properties.length);
 		propertyText = new String[properties.length];
 		for (int i = 0; i < properties.length; i++) {
 			propertyText[i] = properties[i].getDescription();
 		}
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2000, 2003 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Common Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/cpl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/

	package org.eclipse.ui.views.markers.internal;

	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.Comparator;

	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.IDialogConstants;
	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.Combo;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Shell;

	public class TableSortDialog extends Dialog {

	private TableSorter sorter;
	private Combo[] priorityCombos;
	private String[] propertyText;
	private IField[] properties;
	private Button[] ascendingButtons;
	private Button[] descendingButtons;
	private boolean dirty;
	private final Comparator columnComparator = new Comparator() {
	public int compare(Object arg0, Object arg1) {
	int index0 = -1;
	int index1 = -1;
	for (int i = 0; i < propertyText.length; i++) {
	if (propertyText[i].equals(arg0))
	index0 = i;
	if (propertyText[i].equals(arg1))
	index1 = i;
	}
	return index0 - index1;
	}
	};


	public TableSortDialog(Shell parentShell, TableSorter sorter) {
	super(parentShell);
	this.sorter = sorter;
	dirty = false;
	}

	/* (non-Javadoc)
	* Method declared on Window.
	*/
	protected void configureShell(Shell newShell) {
	super.configureShell(newShell);
	newShell.setText(Messages.getString("sortDialog.title")); //$NON-NLS-1$
	}

	/* (non-Javadoc)
	* Method declared on Dialog.
	*/
	protected Control createDialogArea(Composite parent) {
	Composite composite = (Composite) super.createDialogArea(parent);
	if (sorter == null)
	return composite;

	createPrioritiesArea(composite);
	createRestoreDefaultsButton(composite);
	createSeparatorLine(composite);

	return composite;
	}

	private void createPrioritiesArea(Composite parent) {
	Composite prioritiesArea = new Composite(parent, SWT.NULL);
	prioritiesArea.setLayout(new GridLayout(3, false));

	int[] priorities = sorter.getPriorities();
	int[] directions = sorter.getDirections();

	ascendingButtons = new Button[priorities.length];
	descendingButtons = new Button[priorities.length];
	priorityCombos = new Combo[Math.min(priorities.length, TableSorter.MAX_DEPTH)];
	initPriotityText();

	Label sortByLabel = new Label(prioritiesArea, SWT.NULL);
	sortByLabel.setText(Messages.getString("sortDialog.label")); //$NON-NLS-1$
	GridData data = new GridData();
	data.horizontalSpan = 3;
	sortByLabel.setLayoutData(data);

	for (int i = 0; i < priorityCombos.length; i++) {
	final int index = i;
	Label numberLabel = new Label(prioritiesArea, SWT.NULL);
	numberLabel.setText(Messages.format("sortDialog.columnLabel", new Object[] {new Integer(i + 1)})); //$NON-NLS-1$

	priorityCombos[i] = new Combo(prioritiesArea, SWT.READ_ONLY);
	priorityCombos[i].setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	Composite directionGroup = new Composite(prioritiesArea, SWT.NONE);
	directionGroup.setLayout(new GridLayout(2, false));
	ascendingButtons[i] = new Button(directionGroup, SWT.RADIO);
	ascendingButtons[i].setText(Messages.getString("sortDirectionAscending.text")); //$NON-NLS-1$
	ascendingButtons[i].addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	markDirty();
	}
	});
	descendingButtons[i] = new Button(directionGroup, SWT.RADIO);
	descendingButtons[i].setText(Messages.getString("sortDirectionDescending.text")); //$NON-NLS-1$
	descendingButtons[i].addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	markDirty();
	}
	});

	if (i < priorityCombos.length - 1) {
	priorityCombos[i].addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	int oldSelectionDirection = TableSorter.ASCENDING;
	if (descendingButtons[index].getSelection())
	oldSelectionDirection = TableSorter.DESCENDING;
	ArrayList oldSelectionList = new ArrayList(Arrays.asList(priorityCombos[index].getItems()));
	oldSelectionList.removeAll(Arrays.asList(priorityCombos[index + 1].getItems()));
	if (oldSelectionList.size() != 1)
	return;
	String oldSelection = (String) oldSelectionList.get(0);
	String newSelection = priorityCombos[index].getItem(priorityCombos[index].getSelectionIndex());
	if (oldSelection.equals(newSelection)) {
	return;
	}
	for (int j = index + 1; j < priorityCombos.length; j++) {
	int newSelectionIndex = priorityCombos[j].indexOf(newSelection);
	//this combo's current selection is equal to newSelection
	if (priorityCombos[j].getSelectionIndex() == newSelectionIndex) {
	priorityCombos[j].remove(newSelection);
	int insertionPoint = -1 - Arrays.binarySearch(priorityCombos[j].getItems(), oldSelection, columnComparator);
	if (insertionPoint >= 0 && insertionPoint <= priorityCombos[j].getItemCount())
	priorityCombos[j].add(oldSelection, insertionPoint);
	else
	priorityCombos[j].add(oldSelection);
	priorityCombos[j].select(priorityCombos[j].indexOf(oldSelection));
	ascendingButtons[index].setSelection(ascendingButtons[j].getSelection());
	descendingButtons[index].setSelection(descendingButtons[j].getSelection());
	ascendingButtons[j].setSelection(oldSelectionDirection == TableSorter.ASCENDING);
	descendingButtons[j].setSelection(oldSelectionDirection == TableSorter.DESCENDING);
	}
	//this combo contains newSelection
	else if (newSelectionIndex >= 0) {
	priorityCombos[j].remove(newSelection);
	int insertionPoint = -1 - Arrays.binarySearch(priorityCombos[j].getItems(), oldSelection, columnComparator);
	if (insertionPoint >= 0 && insertionPoint <= priorityCombos[j].getItemCount())
	priorityCombos[j].add(oldSelection, insertionPoint);
	else
	priorityCombos[j].add(oldSelection);
	}
	}
	markDirty();
	}
	});
	}
	else {
	priorityCombos[i].addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	markDirty();
	}
	});
	}
	}
	updateUIFromSorter();
	}

	private void createRestoreDefaultsButton(Composite parent) {
	Button defaultsButton = new Button(parent, SWT.PUSH);
	defaultsButton.setText(Messages.getString("restoreDefaults.text")); //$NON-NLS-1$
	setButtonSize(defaultsButton, new GridData(GridData.HORIZONTAL_ALIGN_END \| GridData.FILL_HORIZONTAL));
	defaultsButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	restoreDefaults();
	markDirty();
	}
	});
	}

	private void createSeparatorLine(Composite parent) {
	Label separator = new Label(parent, SWT.SEPARATOR \| SWT.HORIZONTAL);
	separator.setLayoutData(new GridData(GridData.FILL_HORIZONTAL \| GridData.VERTICAL_ALIGN_CENTER));
	// separator.setForeground(new Color(parent.getDisplay(), 150, 150, 150));
	// separator.setBackground(new Color(parent.getDisplay(), 150, 150, 150));
	}

	private void restoreDefaults() {
	updateUI(sorter.getDefaultPriorities(), sorter.getDefaultDirections());
	}

	private void updateUIFromSorter() {
	updateUI(sorter.getPriorities(), sorter.getDirections());
	}

	private void updateUI(int[] priorities, int[] directions) {
	ArrayList availablePriorities = new ArrayList(Arrays.asList(propertyText));

	for (int i = 0; i < priorityCombos.length; i++) {
	priorityCombos[i].removeAll();
	for (int j = 0; j < availablePriorities.size(); j++)
	priorityCombos[i].add((String) availablePriorities.get(j));
	priorityCombos[i].select(priorityCombos[i].indexOf(propertyText[priorities[i]]));
	availablePriorities.remove(propertyText[priorities[i]]);

	ascendingButtons[i].setSelection(directions[priorities[i]] == TableSorter.ASCENDING);
	descendingButtons[i].setSelection(directions[priorities[i]] == TableSorter.DESCENDING);
	}
	}

	protected void okPressed() {
	if (isDirty()) {
	for (int i = priorityCombos.length - 1; i >= 0; i--) {
	String column = priorityCombos[i].getItem(priorityCombos[i].getSelectionIndex());
	int index = -1;
	for (int j = 0; j < propertyText.length && index == -1; j++) {
	if (propertyText[j].equals(column))
	index = j;
	}
	if (index == -1) {
	sorter.resetState();
	return;
	}
	sorter.setTopPriority(properties[index]);
	int direction = TableSorter.ASCENDING;
	if (descendingButtons[i].getSelection())
	direction = TableSorter.DESCENDING;
	sorter.setTopPriorityDirection(direction);
	}
	}
	super.okPressed();
	}

	/**
	* @return boolean
	*/
	public boolean isDirty() {
	return dirty;
	}

	/**
	* Sets the dirty flag to true;
	* @param dirty The dirty to set
	*/
	public void markDirty() {
	dirty = true;
	}

	/**
	* Set the layout data of the button to a GridData with
	* appropriate heights and widths.
	* @param button
	*/
	private void setButtonSize(Button button, GridData buttonData) {
	buttonData.heightHint =
	convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT);
	int widthHint =
	convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
	buttonData.widthHint =
	Math.max(
	widthHint,
	button.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
	button.setLayoutData(buttonData);
	}

	private void initPriotityText() {
	IField[] unorderedProperties = sorter.getFields();
	properties = new IField[unorderedProperties.length];
	System.arraycopy(unorderedProperties, 0, properties, 0, properties.length);
	propertyText = new String[properties.length];
	for (int i = 0; i < properties.length; i++) {
	propertyText[i] = properties[i].getDescription();
	}
	}

	}