1 files changed, 157 insertions, 0 deletions
diff --git a/bundles/org.eclipse.team.ui/src/org/eclipse/team/internal/ui/mapping/FuzzFactorDialog.java b/bundles/org.eclipse.team.ui/src/org/eclipse/team/internal/ui/mapping/FuzzFactorDialog.java
new file mode 100644
index 000000000..47b66bfe8
--- /dev/null
+++ b/bundles/org.eclipse.team.ui/src/org/eclipse/team/internal/ui/mapping/FuzzFactorDialog.java
@@ -0,0 +1,157 @@
+/*******************************************************************************
+ * Copyright (c) 2010 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.team.internal.ui.mapping;
+
+import java.lang.reflect.InvocationTargetException;
+
+import org.eclipse.compare.internal.patch.WorkspacePatcher;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.jface.dialogs.Dialog;
+import org.eclipse.jface.dialogs.IDialogConstants;
+import org.eclipse.jface.operation.IRunnableWithProgress;
+import org.eclipse.jface.resource.StringConverter;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.*;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.*;
+import org.eclipse.team.internal.ui.TeamUIMessages;
+import org.eclipse.ui.PlatformUI;
+
+public class FuzzFactorDialog extends Dialog {
+
+	private Text valueText;
+	private Text errorMessageText;
+
+	private WorkspacePatcher patcher;
+	private int fuzzFactor;
+
+	public FuzzFactorDialog(Shell parentShell, WorkspacePatcher patcher) {
+		super(parentShell);
+		this.patcher = patcher;
+	}
+
+	public int getFuzzFactor() {
+		return fuzzFactor;
+	}
+
+	protected Control createDialogArea(Composite parent) {
+		Composite composite = new Composite(parent, SWT.NONE);
+		GridLayout layout = new GridLayout(2, false);
+		layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
+		layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
+		layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
+		layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
+		composite.setLayout(layout);
+		composite.setLayoutData(new GridData(GridData.FILL_BOTH));
+		applyDialogFont(composite);
+
+		Label label = new Label(composite, SWT.WRAP);
+		label.setText(TeamUIMessages.FuzzFactorDialog_message);
+		GridData data = new GridData();
+		data.horizontalSpan = 2;
+		label.setLayoutData(data);
+		label.setFont(parent.getFont());
+
+		valueText = new Text(composite, SWT.SINGLE | SWT.BORDER);
+		data = new GridData(GridData.GRAB_HORIZONTAL
+				| GridData.HORIZONTAL_ALIGN_FILL);
+		data.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH);
+		valueText.setLayoutData(data);
+		valueText.addModifyListener(new ModifyListener() {
+			public void modifyText(ModifyEvent e) {
+				validateInput();
+			}
+		});
+		fuzzFactor = patcher.getFuzz();
+		if (fuzzFactor >= 0)
+			valueText.setText(new Integer(fuzzFactor).toString());
+
+		Button guessButton = new Button(composite, SWT.NONE);
+		guessButton.setText(TeamUIMessages.FuzzFactorDialog_guess);
+		data = new GridData();
+		guessButton.setLayoutData(data);
+		guessButton.addSelectionListener(new SelectionAdapter() {
+			public void widgetSelected(SelectionEvent e) {
+				patcher.setFuzz(-1);
+				int fuzz = guessFuzzFactor();
+				if (fuzz >= 0) {
+					String value = new Integer(fuzz).toString();
+					valueText.setText(value);
+				}
+			}
+		});
+
+		errorMessageText = new Text(composite, SWT.READ_ONLY | SWT.WRAP);
+		errorMessageText.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL
+				| GridData.HORIZONTAL_ALIGN_FILL));
+		errorMessageText.setBackground(errorMessageText.getDisplay()
+				.getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
+
+		validateInput();
+
+		applyDialogFont(composite);
+		return composite;
+	}
+
+	private void validateInput() {
+		String message = null;
+		String value = valueText.getText();
+		try {
+			fuzzFactor = Integer.parseInt(value);
+			if (fuzzFactor < 0)
+				message = TeamUIMessages.FuzzFactorDialog_numberOutOfRange;
+		} catch (NumberFormatException x) {
+			message = TeamUIMessages.FuzzFactorDialog_notANumber;
+		}
+		setErrorMessage(message);
+	}
+
+	private void setErrorMessage(String errorMessage) {
+		if (errorMessageText != null && !errorMessageText.isDisposed()) {
+			errorMessageText.setText(errorMessage == null ? " \n " //$NON-NLS-1$
+					: errorMessage);
+			boolean hasError = errorMessage != null
+					&& (StringConverter.removeWhiteSpaces(errorMessage))
+							.length() > 0;
+			errorMessageText.setEnabled(hasError);
+			errorMessageText.setVisible(hasError);
+			errorMessageText.getParent().update();
+			Control button = getButton(IDialogConstants.OK_ID);
+			if (button != null) {
+				button.setEnabled(errorMessage == null);
+			}
+		}
+	}
+
+	protected void configureShell(Shell shell) {
+		super.configureShell(shell);
+		shell.setText(TeamUIMessages.FuzzFactorDialog_title);
+	}
+
+	private int guessFuzzFactor() {
+		final int[] result = new int[] { -1 };
+		try {
+			PlatformUI.getWorkbench().getProgressService().run(true, true,
+					new IRunnableWithProgress() {
+						public void run(IProgressMonitor monitor) {
+							result[0] = patcher.guessFuzzFactor(monitor);
+						}
+					});
+		} catch (InvocationTargetException ex) {
+			// NeedWork
+		} catch (InterruptedException ex) {
+			// NeedWork
+		}
+		return result[0];
+	}
+
+}