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/*****************************************************************************
* Copyright (c) 2012 CEA LIST.
*
* 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:
* Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.infra.gmfdiag.css.configuration.handler;
import java.util.Map;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.infra.gmfdiag.css.Attribute;
import org.eclipse.papyrus.infra.gmfdiag.css.Declaration;
import org.eclipse.papyrus.infra.gmfdiag.css.properties.provider.CSSStyleSheetContentProvider;
import org.eclipse.papyrus.infra.gmfdiag.css.properties.provider.CSSStyleSheetLabelProvider;
import org.eclipse.papyrus.infra.gmfdiag.css.stylesheets.EmbeddedStyleSheet;
import org.eclipse.papyrus.infra.gmfdiag.css.stylesheets.StyleSheet;
import org.eclipse.papyrus.infra.gmfdiag.css.stylesheets.StyleSheetReference;
import org.eclipse.papyrus.infra.gmfdiag.css.stylesheets.StylesheetsFactory;
import org.eclipse.papyrus.infra.widgets.editors.AbstractEditor;
import org.eclipse.papyrus.infra.widgets.editors.ICommitListener;
import org.eclipse.papyrus.infra.widgets.editors.ReferenceDialog;
import org.eclipse.papyrus.infra.widgets.editors.StringEditor;
import org.eclipse.papyrus.infra.widgets.editors.StringFileSelector;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
public class StyleCreationDialog extends AbstractStyleDialog {
private StringFileSelector externalStylesheetEditor;
private StringEditor embeddedStylesheetEditor;
private ReferenceDialog appliedStylesheetEditor;
private boolean ignoreEvents = false;
private AbstractEditor stylesheetSource;
private StyleSheet stylesheet;
/**
*
* @param shell
* @param conditions
* inout
* @param declarations
* inout
* @param selectorName
*/
public StyleCreationDialog(Shell shell, Map<Attribute, Boolean> conditions, Map<Declaration, Boolean> declarations, String selectorName, View context) {
super(shell, conditions, declarations, selectorName, context);
}
@Override
public void create() {
super.create();
Composite parent = getDialogArea();
CTabItem stylesheetTab = new CTabItem(tabFolder, SWT.NONE);
stylesheetTab.setText("Stylesheet");
Composite stylesheetContainer = new Composite(tabFolder, SWT.NONE);
stylesheetContainer.setLayoutData(new GridData(SWT.BEGINNING, SWT.BEGINNING, true, true));
stylesheetContainer.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE));
stylesheetContainer.setBackgroundMode(SWT.INHERIT_DEFAULT);
stylesheetTab.setControl(stylesheetContainer);
createStylesheet(stylesheetContainer);
getShell().setText("Create a new style");
}
@Override
protected boolean isValid() {
boolean result = true;
// There must be a stylesheet
if (getStyleSheet() == null) {
setError("You must select a Stylesheet");
result = false;
}
// EmbeddedStyleSheets are not yet supported
if (getStyleSheet() instanceof EmbeddedStyleSheet) {
setError("Edition of embedded stylesheets is not yet supported. Please select an external stylesheet");
result = false;
}
return super.isValid() && result;
}
protected void createStylesheet(Composite parent) {
// TODO: Use a preference to remember the last edited Stylesheet (Per model? Diagram? Workspace? With user choice?)
parent.setLayout(new GridLayout(1, false));
// Create or use an existing External Stylesheet
externalStylesheetEditor = new StringFileSelector(parent, SWT.NONE);
externalStylesheetEditor.setFilters(new String[] { "*.css", "*" }, new String[] { "CSS Stylesheets (*.css)", "All (*)" });
externalStylesheetEditor.setAllowFileSystem(false);
externalStylesheetEditor.setLabel("External stylesheet:");
externalStylesheetEditor.setToolTipText("Create or use an existing external CSS Stylesheet");
externalStylesheetEditor.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
externalStylesheetEditor.addCommitListener(new ICommitListener() {
public void commit(AbstractEditor editor) {
String path = (String) ((StringEditor) editor).getValue();
if ((path != null && !"".equals(path)) || stylesheetSource == externalStylesheetEditor) {
StyleSheetReference stylesheetReference = null;
if (path != null && !"".equals(path)) {
stylesheetReference = StylesheetsFactory.eINSTANCE.createStyleSheetReference();
stylesheetReference.setPath(path);
}
stylesheet = stylesheetReference;
resetStylesheetEditors(externalStylesheetEditor);
updateButtons();
}
}
});
Label orLabel = new Label(parent, SWT.NONE);
orLabel.setText("-- OR --");
// Create a new Embedded Stylesheet
embeddedStylesheetEditor = new StringEditor(parent, SWT.NONE);
embeddedStylesheetEditor.setLabel("New local stylesheet:");
// FIXME: Change the tooltip text when the X-Text editor can edit local stylesheets
embeddedStylesheetEditor.setToolTipText("Enter the new local stylesheet's name");
// embeddedStylesheetEditor.setToolTipText("Create a new local stylesheet. The stylesheet will be embedded in the current model. Unsupported yet");
// FIXME: Set read only to false when the X-Text editor can edit local stylesheets
embeddedStylesheetEditor.setReadOnly(true);
embeddedStylesheetEditor.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
embeddedStylesheetEditor.addCommitListener(new ICommitListener() {
public void commit(AbstractEditor editor) {
// TODO: Check empty names & set the stylesheet to null when the name is null/empty
String name = (String) ((StringEditor) editor).getValue();
EmbeddedStyleSheet embeddedStylesheet = StylesheetsFactory.eINSTANCE.createEmbeddedStyleSheet();
embeddedStylesheet.setLabel(name);
stylesheet = embeddedStylesheet;
resetStylesheetEditors(embeddedStylesheetEditor);
updateButtons();
}
});
orLabel = new Label(parent, SWT.NONE);
orLabel.setText("-- OR --");
// Use an existing applied stylesheet (Either Reference or Embedded)
appliedStylesheetEditor = new ReferenceDialog(parent, SWT.NONE);
appliedStylesheetEditor.setLabel("Applied stylesheet:");
appliedStylesheetEditor.setToolTipText("Use an existing stylesheet, from the stylesheets applied to the current model");
appliedStylesheetEditor.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
appliedStylesheetEditor.setContentProvider(new CSSStyleSheetContentProvider(contextView));
appliedStylesheetEditor.setLabelProvider(new CSSStyleSheetLabelProvider());
appliedStylesheetEditor.addCommitListener(new ICommitListener() {
public void commit(AbstractEditor editor) {
StyleSheet value = (StyleSheet) ((ReferenceDialog) editor).getValue();
if (!(ignoreEvents && value == null)) {
stylesheet = value;
resetStylesheetEditors(appliedStylesheetEditor);
}
updateButtons();
}
});
}
private void resetStylesheetEditors(AbstractEditor stylesheetSource) {
if (ignoreEvents) {
return;
}
ignoreEvents = true;
if (stylesheetSource != externalStylesheetEditor) {
externalStylesheetEditor.setValue(null);
}
if (stylesheetSource != embeddedStylesheetEditor) {
embeddedStylesheetEditor.setValue(null);
}
if (stylesheetSource != appliedStylesheetEditor) {
appliedStylesheetEditor.setValue(null);
}
this.stylesheetSource = stylesheetSource;
ignoreEvents = false;
}
public StyleSheet getStyleSheet() {
return stylesheet;
}
}
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