/*******************************************************************************
* Copyright (c) 2012-2017 Codenvy, S.A.
* 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:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.plugin.svn.ide.commit.diff;
import com.google.common.base.Splitter;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.RichTextArea;
import com.google.gwt.user.client.ui.Widget;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import org.eclipse.che.ide.api.theme.Style;
import org.eclipse.che.plugin.svn.ide.SubversionExtensionLocalizationConstants;
import org.eclipse.che.ide.ui.window.Window;
import java.util.HashMap;
import java.util.Map;
/**
* Implementation of {@link DiffViewerView}.
*
* @author Vladyslav Zhukovskyi
*/
@Singleton
public class DiffViewerViewImpl extends Window implements DiffViewerView {
interface DiffViewerViewImplUiBinder extends UiBinder<Widget, DiffViewerViewImpl> {
}
private static DiffViewerViewImplUiBinder uiBinder = GWT.create(DiffViewerViewImplUiBinder.class);
private DiffViewerView.ActionDelegate delegate;
private final Map<String, String> lineRules;
@UiField
RichTextArea diffViewer;
@Inject
public DiffViewerViewImpl(SubversionExtensionLocalizationConstants locale) {
this.setTitle(locale.commitTitle());
this.setWidget(uiBinder.createAndBindUi(this));
lineRules = new HashMap<>();
lineRules.put("+", Style.getVcsConsoleStagedFilesColor());
lineRules.put("-", Style.getVcsConsoleErrorColor());
lineRules.put("@", Style.getVcsConsoleChangesLineNumbersColor());
lineRules.put("default", Style.getMainFontColor());
Button btnClose = createButton("Close", "svn-diff-view-close", new ClickHandler() {
@Override
public void onClick(final ClickEvent event) {
delegate.onCloseClicked();
}
});
addButtonToFooter(btnClose);
diffViewer.setEnabled(false);
}
/** {@inheritDoc} */
@Override
public void setDelegate(ActionDelegate delegate) {
this.delegate = delegate;
}
/**
* Display diff for current file in console
*
* @param content
*/
@Override
public void showDiff(String content) {
final String colorizedContent = colorizeDiff(content);
diffViewer.setHTML(colorizedContent);
}
/** {@inheritDoc} */
@Override
public void onClose() {
hide();
}
/** {@inheritDoc} */
@Override
public void onShow() {
show();
}
private String colorizeDiff(String origin) {
StringBuilder html = new StringBuilder();
html.append("<pre>");
for (String line : Splitter.on("\n").splitToList(origin)) {
final String prefix = line.substring(0, 1);
final String sanitizedLine = new SafeHtmlBuilder().appendEscaped(line).toSafeHtml().asString();
html.append("<span style=\"color:")
.append(lineRules.containsKey(prefix) ? lineRules.get(prefix) : lineRules.get("default"))
.append(";\">")
.append(sanitizedLine)
.append("</span>")
.append("\n");
}
html.append("</pre>");
return html.toString();
}
}