bundles/org.eclipse.team.cvs.ui/src/org/eclipse/team/internal/ccvs/ui/wizards/MergeWizardPage.java - gerrit/platform/eclipse.platform.team - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2010 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-2.0/
  *
  * SPDX-License-Identifier: EPL-2.0
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.team.internal.ccvs.ui.wizards;

 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.jface.window.Window;
 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.widgets.*;
 import org.eclipse.team.internal.ccvs.core.CVSTag;
 import org.eclipse.team.internal.ccvs.ui.CVSUIMessages;
 import org.eclipse.team.internal.ccvs.ui.IHelpContextIds;
 import org.eclipse.team.internal.ccvs.ui.tags.*;
 import org.eclipse.team.internal.ui.PixelConverter;
 import org.eclipse.team.internal.ui.SWTUtils;
 import org.eclipse.ui.PlatformUI;

 public class MergeWizardPage extends CVSWizardPage {

 	private Text endTagField;
 	private Button endTagBrowseButton;
 	private TagSource tagSource;
 	private Text startTagField;
 	private Button startTagBrowseButton;
 	private TagRefreshButtonArea tagRefreshArea;
 	private CVSTag startTag;
 	private CVSTag endTag;
 	private Button previewButton;
 	private Button noPreviewButton;
 	protected boolean preview = true;
 	private Button onlyPreviewConflicts;
 	private boolean isOnlyPreviewConflicts = false;

 	public MergeWizardPage(String pageName, String title, ImageDescriptor titleImage, String description, TagSource tagSource) {
 		super(pageName, title, titleImage, description);
 		this.tagSource = tagSource;
 	}

 	@Override
 	public void createControl(Composite parent) {

 		final PixelConverter converter= SWTUtils.createDialogPixelConverter(parent);

 		final Composite composite = new Composite(parent, SWT.NONE);
 		composite.setLayout(SWTUtils.createGridLayout(1, converter, SWTUtils.MARGINS_DEFAULT));
 		// set F1 help
 		PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IHelpContextIds.MERGE_WIZARD_PAGE);

 		final Composite mainArea = new Composite(composite, SWT.NONE);
 		mainArea.setLayoutData(SWTUtils.createHFillGridData());
 		mainArea.setLayout(SWTUtils.createGridLayout(2, converter, SWTUtils.MARGINS_NONE));

 		createEndTagArea(mainArea);
 		createStartTagArea(mainArea);
 		SWTUtils.equalizeControls(converter, new Button [] { endTagBrowseButton, startTagBrowseButton } );

 		createPreviewOptionArea(composite, converter);
 		createTagRefreshArea(composite);

 		Dialog.applyDialogFont(composite);
 		setControl(composite);
 	}

 	private void createPreviewOptionArea(Composite parent, PixelConverter converter) {

 		final Composite composite= new Composite(parent, SWT.NONE);
 		composite.setLayoutData(SWTUtils.createHFillGridData());
 		composite.setLayout(SWTUtils.createGridLayout(1, converter, SWTUtils.MARGINS_NONE));

 		previewButton = SWTUtils.createRadioButton(composite, CVSUIMessages.MergeWizardPage_0);
 		if (MergeWizard.isShowModelSync()) {
 			onlyPreviewConflicts = SWTUtils.createCheckBox(composite, CVSUIMessages.MergeWizardPage_14);
 			GridData data = SWTUtils.createHFillGridData(1);
 			data.horizontalIndent = 10;
 			onlyPreviewConflicts.setLayoutData(data);
 		}
 		noPreviewButton = SWTUtils.createRadioButton(composite, CVSUIMessages.MergeWizardPage_1);
 		SelectionAdapter selectionAdapter = new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				preview  = previewButton.getSelection();
 				updateEnablements();
 			}
 		};
 		previewButton.setSelection(preview);
 		noPreviewButton.setSelection(!preview);
 		previewButton.addSelectionListener(selectionAdapter);
 		noPreviewButton.addSelectionListener(selectionAdapter);
 		if (onlyPreviewConflicts != null) {
 			onlyPreviewConflicts.setEnabled(preview);
 			onlyPreviewConflicts.setSelection(isOnlyPreviewConflicts);
 			onlyPreviewConflicts.addSelectionListener(new SelectionAdapter() {
 				@Override
 				public void widgetSelected(SelectionEvent e) {
 					isOnlyPreviewConflicts = onlyPreviewConflicts.getSelection();
 				}
 			});
 		}
 	}
 	private void createTagRefreshArea(Composite composite) {
 		tagRefreshArea = new TagRefreshButtonArea(getShell(), getTagSource(), null) {
 			@Override
 			public void refresh(boolean background) {
 				super.refresh(background);
 				updateStartTag(startTagField.getText());
 				updateEndTag(endTagField.getText());
 			};
 		};
 		tagRefreshArea.setRunnableContext(getContainer());
 		tagRefreshArea.createArea(composite);
 	}

 	private void createEndTagArea(Composite parent) {
 		SWTUtils.createLabel(parent, CVSUIMessages.MergeWizardPage_2, 2);

 		endTagField = SWTUtils.createText(parent);
 		endTagField.addModifyListener(e -> updateEndTag(endTagField.getText()));
 		final int endTagIncludeFlags = TagSelectionArea.INCLUDE_VERSIONS | TagSelectionArea.INCLUDE_BRANCHES | TagSelectionArea.INCLUDE_HEAD_TAG;
 		TagContentAssistProcessor.createContentAssistant(endTagField, tagSource, endTagIncludeFlags);
 		endTagBrowseButton = createPushButton(parent, CVSUIMessages.MergeWizardPage_3);

 		endTagBrowseButton.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				TagSelectionDialog dialog = new TagSelectionDialog(getShell(), getTagSource(),
 						CVSUIMessages.MergeWizardPage_4,
 						CVSUIMessages.MergeWizardPage_5,
 						endTagIncludeFlags,
 						false, IHelpContextIds.MERGE_END_PAGE);
 				if (dialog.open() == Window.OK) {
 					CVSTag selectedTag = dialog.getResult();
 					setEndTag(selectedTag);
 				}
 			}
 		});
 	}

 	private void createStartTagArea(Composite parent) {

 		SWTUtils.createLabel(parent, CVSUIMessages.MergeWizardPage_6, 2);

 		startTagField = SWTUtils.createText(parent);
 		startTagField.addModifyListener(e -> updateStartTag(startTagField.getText()));
 		TagContentAssistProcessor.createContentAssistant(startTagField, tagSource, TagSelectionArea.INCLUDE_VERSIONS);

 		startTagBrowseButton = createPushButton(parent, CVSUIMessages.MergeWizardPage_7);
 		startTagBrowseButton.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				TagSelectionDialog dialog = new TagSelectionDialog(getShell(), getTagSource(),
 						CVSUIMessages.MergeWizardPage_8,
 						CVSUIMessages.MergeWizardPage_9,
 						TagSelectionDialog.INCLUDE_VERSIONS | TagSelectionDialog.INCLUDE_DATES,
 						false, IHelpContextIds.MERGE_START_PAGE);
 				if (dialog.open() == Window.OK) {
 					CVSTag selectedTag = dialog.getResult();
 					setStartTag(selectedTag);
 				}
 			}
 		});
 	}

 	protected void updateEndTag(String text) {
 		if (endTag == null || !endTag.getName().equals(text)) {
 			CVSTag tag = getTagFor(text, false);
 			setEndTag(tag);
 		}
 		updateEnablements();
 	}

 	protected void updateStartTag(String text) {
 		if (startTag == null || !startTag.getName().equals(text)) {
 			CVSTag tag = getTagFor(text, true);
 			setStartTag(tag);
 		}
 		updateEnablements();
 	}

 	private CVSTag getTagFor(String text, boolean versionsOnly) {
 		if (text.equals(CVSTag.DEFAULT.getName())) {
 			if (versionsOnly) return null;
 			return CVSTag.DEFAULT;
 		}
 		if (text.equals(CVSTag.BASE.getName())) {
 			if (versionsOnly) return null;
 			return CVSTag.BASE;
 		}
 		CVSTag[] tags;
 		if (versionsOnly) {
 			tags = tagSource.getTags(new int[] { CVSTag.VERSION, CVSTag.DATE });
 		} else {
 			tags = tagSource.getTags(new int[] { CVSTag.VERSION, CVSTag.BRANCH, CVSTag.DATE });
 		}
 		for (int i = 0; i < tags.length; i++) {
 			CVSTag tag = tags[i];
 			if (tag.getName().equals(text)) {
 				return tag;
 			}
 		}
 		return null;
 	}

 	protected void setEndTag(CVSTag selectedTag) {
 		if (selectedTag == null || endTag == null || !endTag.equals(selectedTag)) {
 			endTag = selectedTag;
 			if (endTagField != null) {
 				String name = endTagField.getText();
 				if (endTag != null)
 					name = endTag.getName();
 				if (!endTagField.getText().equals(name))
 					endTagField.setText(name);
 				if (startTag == null && endTag != null && endTag.getType() == CVSTag.BRANCH) {
 					CVSTag tag = findCommonBaseTag(endTag);
 					if (tag != null) {
 						setStartTag(tag);
 					}
 				}
 			}
 			updateEnablements();
 		}
 	}

 	protected void setStartTag(CVSTag selectedTag) {
 		if (selectedTag == null || startTag != null || endTag == null || !endTag.equals(selectedTag)) {
 			startTag = selectedTag;
 			if (startTagField != null) {
 				String name = startTagField.getText();
 				if (startTag != null)
 					name = startTag.getName();
 				if (!startTagField.getText().equals(name))
 					startTagField.setText(name);
 			}
 			updateEnablements();
 		}
 	}

 	private CVSTag findCommonBaseTag(CVSTag tag) {
 		CVSTag[] tags = tagSource.getTags(CVSTag.VERSION);
 		for (int i = 0; i < tags.length; i++) {
 			CVSTag potentialMatch = tags[i];
 			if (potentialMatch.getName().indexOf(tag.getName()) != -1) {
 				return potentialMatch;
 			}
 		}
 		return null;
 	}

 	private void updateEnablements() {
 		if (onlyPreviewConflicts != null)
 			onlyPreviewConflicts.setEnabled(preview);
 		if (endTag == null && endTagField.getText().length() > 0) {
 			setErrorMessage(CVSUIMessages.MergeWizardPage_10);
 		} else if (startTag == null && startTagField.getText().length() > 0) {
 			setErrorMessage(CVSUIMessages.MergeWizardPage_11);
 		} else if (endTag != null && startTag != null && startTag.equals(endTag)) {
 			setErrorMessage(CVSUIMessages.MergeWizardPage_12);
 		} else if (startTag == null && endTag != null && preview) {
 			setErrorMessage(CVSUIMessages.MergeWizardPage_13);
 		} else {
 			setErrorMessage(null);
 		}
 		setPageComplete((startTag != null || !preview) && endTag != null && (startTag == null || !startTag.equals(endTag)));
 	}

 	protected TagSource getTagSource() {
 		return tagSource;
 	}

 	private Button createPushButton(Composite parent, String label) {
 		final Button button = new Button(parent, SWT.PUSH);
 		button.setText(label);
 		button.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false));
 		return button;
 	}

 	public CVSTag getStartTag() {
 		return startTag;
 	}

 	public CVSTag getEndTag() {
 		return endTag;
 	}

 	public boolean isPreview() {
 		return preview;
 	}

 	public boolean isOnlyPreviewConflicts() {
 		return isOnlyPreviewConflicts;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2010 IBM Corporation and others.
	*
	* This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License 2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.team.internal.ccvs.ui.wizards;

	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.resource.ImageDescriptor;
	import org.eclipse.jface.window.Window;
	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.widgets.*;
	import org.eclipse.team.internal.ccvs.core.CVSTag;
	import org.eclipse.team.internal.ccvs.ui.CVSUIMessages;
	import org.eclipse.team.internal.ccvs.ui.IHelpContextIds;
	import org.eclipse.team.internal.ccvs.ui.tags.*;
	import org.eclipse.team.internal.ui.PixelConverter;
	import org.eclipse.team.internal.ui.SWTUtils;
	import org.eclipse.ui.PlatformUI;

	public class MergeWizardPage extends CVSWizardPage {

	private Text endTagField;
	private Button endTagBrowseButton;
	private TagSource tagSource;
	private Text startTagField;
	private Button startTagBrowseButton;
	private TagRefreshButtonArea tagRefreshArea;
	private CVSTag startTag;
	private CVSTag endTag;
	private Button previewButton;
	private Button noPreviewButton;
	protected boolean preview = true;
	private Button onlyPreviewConflicts;
	private boolean isOnlyPreviewConflicts = false;

	public MergeWizardPage(String pageName, String title, ImageDescriptor titleImage, String description, TagSource tagSource) {
	super(pageName, title, titleImage, description);
	this.tagSource = tagSource;
	}

	@Override
	public void createControl(Composite parent) {

	final PixelConverter converter= SWTUtils.createDialogPixelConverter(parent);

	final Composite composite = new Composite(parent, SWT.NONE);
	composite.setLayout(SWTUtils.createGridLayout(1, converter, SWTUtils.MARGINS_DEFAULT));
	// set F1 help
	PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IHelpContextIds.MERGE_WIZARD_PAGE);

	final Composite mainArea = new Composite(composite, SWT.NONE);
	mainArea.setLayoutData(SWTUtils.createHFillGridData());
	mainArea.setLayout(SWTUtils.createGridLayout(2, converter, SWTUtils.MARGINS_NONE));

	createEndTagArea(mainArea);
	createStartTagArea(mainArea);
	SWTUtils.equalizeControls(converter, new Button [] { endTagBrowseButton, startTagBrowseButton } );

	createPreviewOptionArea(composite, converter);
	createTagRefreshArea(composite);

	Dialog.applyDialogFont(composite);
	setControl(composite);
	}

	private void createPreviewOptionArea(Composite parent, PixelConverter converter) {

	final Composite composite= new Composite(parent, SWT.NONE);
	composite.setLayoutData(SWTUtils.createHFillGridData());
	composite.setLayout(SWTUtils.createGridLayout(1, converter, SWTUtils.MARGINS_NONE));

	previewButton = SWTUtils.createRadioButton(composite, CVSUIMessages.MergeWizardPage_0);
	if (MergeWizard.isShowModelSync()) {
	onlyPreviewConflicts = SWTUtils.createCheckBox(composite, CVSUIMessages.MergeWizardPage_14);
	GridData data = SWTUtils.createHFillGridData(1);
	data.horizontalIndent = 10;
	onlyPreviewConflicts.setLayoutData(data);
	}
	noPreviewButton = SWTUtils.createRadioButton(composite, CVSUIMessages.MergeWizardPage_1);
	SelectionAdapter selectionAdapter = new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	preview = previewButton.getSelection();
	updateEnablements();
	}
	};
	previewButton.setSelection(preview);
	noPreviewButton.setSelection(!preview);
	previewButton.addSelectionListener(selectionAdapter);
	noPreviewButton.addSelectionListener(selectionAdapter);
	if (onlyPreviewConflicts != null) {
	onlyPreviewConflicts.setEnabled(preview);
	onlyPreviewConflicts.setSelection(isOnlyPreviewConflicts);
	onlyPreviewConflicts.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	isOnlyPreviewConflicts = onlyPreviewConflicts.getSelection();
	}
	});
	}
	}
	private void createTagRefreshArea(Composite composite) {
	tagRefreshArea = new TagRefreshButtonArea(getShell(), getTagSource(), null) {
	@Override
	public void refresh(boolean background) {
	super.refresh(background);
	updateStartTag(startTagField.getText());
	updateEndTag(endTagField.getText());
	};
	};
	tagRefreshArea.setRunnableContext(getContainer());
	tagRefreshArea.createArea(composite);
	}

	private void createEndTagArea(Composite parent) {
	SWTUtils.createLabel(parent, CVSUIMessages.MergeWizardPage_2, 2);

	endTagField = SWTUtils.createText(parent);
	endTagField.addModifyListener(e -> updateEndTag(endTagField.getText()));
	final int endTagIncludeFlags = TagSelectionArea.INCLUDE_VERSIONS \| TagSelectionArea.INCLUDE_BRANCHES \| TagSelectionArea.INCLUDE_HEAD_TAG;
	TagContentAssistProcessor.createContentAssistant(endTagField, tagSource, endTagIncludeFlags);
	endTagBrowseButton = createPushButton(parent, CVSUIMessages.MergeWizardPage_3);

	endTagBrowseButton.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	TagSelectionDialog dialog = new TagSelectionDialog(getShell(), getTagSource(),
	CVSUIMessages.MergeWizardPage_4,
	CVSUIMessages.MergeWizardPage_5,
	endTagIncludeFlags,
	false, IHelpContextIds.MERGE_END_PAGE);
	if (dialog.open() == Window.OK) {
	CVSTag selectedTag = dialog.getResult();
	setEndTag(selectedTag);
	}
	}
	});
	}

	private void createStartTagArea(Composite parent) {

	SWTUtils.createLabel(parent, CVSUIMessages.MergeWizardPage_6, 2);

	startTagField = SWTUtils.createText(parent);
	startTagField.addModifyListener(e -> updateStartTag(startTagField.getText()));
	TagContentAssistProcessor.createContentAssistant(startTagField, tagSource, TagSelectionArea.INCLUDE_VERSIONS);

	startTagBrowseButton = createPushButton(parent, CVSUIMessages.MergeWizardPage_7);
	startTagBrowseButton.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	TagSelectionDialog dialog = new TagSelectionDialog(getShell(), getTagSource(),
	CVSUIMessages.MergeWizardPage_8,
	CVSUIMessages.MergeWizardPage_9,
	TagSelectionDialog.INCLUDE_VERSIONS \| TagSelectionDialog.INCLUDE_DATES,
	false, IHelpContextIds.MERGE_START_PAGE);
	if (dialog.open() == Window.OK) {
	CVSTag selectedTag = dialog.getResult();
	setStartTag(selectedTag);
	}
	}
	});
	}

	protected void updateEndTag(String text) {
	if (endTag == null \|\| !endTag.getName().equals(text)) {
	CVSTag tag = getTagFor(text, false);
	setEndTag(tag);
	}
	updateEnablements();
	}

	protected void updateStartTag(String text) {
	if (startTag == null \|\| !startTag.getName().equals(text)) {
	CVSTag tag = getTagFor(text, true);
	setStartTag(tag);
	}
	updateEnablements();
	}

	private CVSTag getTagFor(String text, boolean versionsOnly) {
	if (text.equals(CVSTag.DEFAULT.getName())) {
	if (versionsOnly) return null;
	return CVSTag.DEFAULT;
	}
	if (text.equals(CVSTag.BASE.getName())) {
	if (versionsOnly) return null;
	return CVSTag.BASE;
	}
	CVSTag[] tags;
	if (versionsOnly) {
	tags = tagSource.getTags(new int[] { CVSTag.VERSION, CVSTag.DATE });
	} else {
	tags = tagSource.getTags(new int[] { CVSTag.VERSION, CVSTag.BRANCH, CVSTag.DATE });
	}
	for (int i = 0; i < tags.length; i++) {
	CVSTag tag = tags[i];
	if (tag.getName().equals(text)) {
	return tag;
	}
	}
	return null;
	}

	protected void setEndTag(CVSTag selectedTag) {
	if (selectedTag == null \|\| endTag == null \|\| !endTag.equals(selectedTag)) {
	endTag = selectedTag;
	if (endTagField != null) {
	String name = endTagField.getText();
	if (endTag != null)
	name = endTag.getName();
	if (!endTagField.getText().equals(name))
	endTagField.setText(name);
	if (startTag == null && endTag != null && endTag.getType() == CVSTag.BRANCH) {
	CVSTag tag = findCommonBaseTag(endTag);
	if (tag != null) {
	setStartTag(tag);
	}
	}
	}
	updateEnablements();
	}
	}

	protected void setStartTag(CVSTag selectedTag) {
	if (selectedTag == null \|\| startTag != null \|\| endTag == null \|\| !endTag.equals(selectedTag)) {
	startTag = selectedTag;
	if (startTagField != null) {
	String name = startTagField.getText();
	if (startTag != null)
	name = startTag.getName();
	if (!startTagField.getText().equals(name))
	startTagField.setText(name);
	}
	updateEnablements();
	}
	}

	private CVSTag findCommonBaseTag(CVSTag tag) {
	CVSTag[] tags = tagSource.getTags(CVSTag.VERSION);
	for (int i = 0; i < tags.length; i++) {
	CVSTag potentialMatch = tags[i];
	if (potentialMatch.getName().indexOf(tag.getName()) != -1) {
	return potentialMatch;
	}
	}
	return null;
	}

	private void updateEnablements() {
	if (onlyPreviewConflicts != null)
	onlyPreviewConflicts.setEnabled(preview);
	if (endTag == null && endTagField.getText().length() > 0) {
	setErrorMessage(CVSUIMessages.MergeWizardPage_10);
	} else if (startTag == null && startTagField.getText().length() > 0) {
	setErrorMessage(CVSUIMessages.MergeWizardPage_11);
	} else if (endTag != null && startTag != null && startTag.equals(endTag)) {
	setErrorMessage(CVSUIMessages.MergeWizardPage_12);
	} else if (startTag == null && endTag != null && preview) {
	setErrorMessage(CVSUIMessages.MergeWizardPage_13);
	} else {
	setErrorMessage(null);
	}
	setPageComplete((startTag != null \|\| !preview) && endTag != null && (startTag == null \|\| !startTag.equals(endTag)));
	}

	protected TagSource getTagSource() {
	return tagSource;
	}

	private Button createPushButton(Composite parent, String label) {
	final Button button = new Button(parent, SWT.PUSH);
	button.setText(label);
	button.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false));
	return button;
	}

	public CVSTag getStartTag() {
	return startTag;
	}

	public CVSTag getEndTag() {
	return endTag;
	}

	public boolean isPreview() {
	return preview;
	}

	public boolean isOnlyPreviewConflicts() {
	return isOnlyPreviewConflicts;
	}
	}