package org.xmind.ui.internal.e4models;
import javax.inject.Inject;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.resource.ColorDescriptor;
import org.eclipse.jface.resource.FontDescriptor;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.resource.LocalResourceManager;
import org.eclipse.jface.resource.ResourceManager;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IPartListener;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.xmind.core.ITopic;
import org.xmind.gef.EditDomain;
import org.xmind.gef.GEF;
import org.xmind.gef.IGraphicalViewer;
import org.xmind.gef.IViewer;
import org.xmind.gef.Request;
import org.xmind.gef.part.IPart;
import org.xmind.gef.ui.editor.IGraphicalEditor;
import org.xmind.gef.ui.editor.IGraphicalEditorPage;
import org.xmind.ui.internal.MindMapMessages;
import org.xmind.ui.internal.dialogs.DialogMessages;
import org.xmind.ui.internal.dialogs.DialogUtils;
import org.xmind.ui.mindmap.MindMapUI;
import org.xmind.ui.resources.ColorUtils;
import org.xmind.ui.resources.FontUtils;
import org.xmind.ui.util.MindMapUtils;
public class LocalImageModelPage extends ModelPage
implements ISelectionChangedListener, IPartListener {
public static final String PAGE_ID = "org.xmind.ui.modelPart.image.pages.local"; //$NON-NLS-1$
private class InsertImageAction extends Action {
public void run() {
IGraphicalEditorPage page = (getEditor() == null ? null
: getEditor().getActivePageInstance());
if (page == null || page.isDisposed()) {
return;
}
EditDomain domain = page.getEditDomain();
if (domain == null) {
return;
}
IGraphicalViewer viewer = page.getViewer();
if (viewer == null) {
return;
}
Control control = viewer.getControl();
if (control == null || control.isDisposed()) {
return;
}
ISelection selection = viewer.getSelection();
if (selection.isEmpty()
|| !(selection instanceof IStructuredSelection)) {
return;
}
Object o = ((IStructuredSelection) selection).getFirstElement();
IPart part = viewer.findPart(o);
ITopic topic = (ITopic) part.getAdapter(ITopic.class);
if (topic == null) {
return;
}
IPart topicPart = viewer.findPart(topic);
if (topicPart == null) {
return;
}
FileDialog dialog = new FileDialog(control.getShell(), SWT.OPEN);
DialogUtils.makeDefaultImageSelectorDialog(dialog, true);
dialog.setText(DialogMessages.SelectImageDialog_title);
String path = dialog.open();
if (path == null) {
return;
}
insertImage(path, topicPart, viewer, domain);
}
private void insertImage(String path, IPart topicPart, IViewer viewer,
EditDomain domain) {
Request request = new Request(MindMapUI.REQ_ADD_IMAGE);
request.setViewer(viewer);
request.setPrimaryTarget(topicPart);
request.setParameter(GEF.PARAM_PATH, new String[] { path });
domain.handleRequest(request);
}
}
@Inject
private IWorkbenchWindow workbenchWindow;
private ResourceManager resources;
private Button button;
private IGraphicalEditor editor;
@Override
public String getModelPageId() {
return PAGE_ID;
}
@Override
public String getModelPageTitle() {
return MindMapMessages.LocalImageModelPage_title;
}
@Override
protected Control doCreateControl(Composite parent) {
Composite container = new Composite(parent, SWT.NONE);
resources = new LocalResourceManager(JFaceResources.getResources(),
container);
container.setBackground(
(Color) resources.get(ColorUtils.toDescriptor("#ffffff"))); //$NON-NLS-1$
container.setLayoutData(new GridData(GridData.FILL_BOTH));
GridLayout layout = new GridLayout(1, false);
layout.marginWidth = 0;
layout.marginHeight = 0;
layout.verticalSpacing = 0;
layout.horizontalSpacing = 0;
container.setLayout(layout);
createContent(container);
//add dispose listener
container.addDisposeListener(new DisposeListener() {
@Override
public void widgetDisposed(DisposeEvent e) {
dispose();
}
});
return container;
}
private void createContent(Composite parent) {
Composite composite = new Composite(parent, SWT.NONE);
composite.setBackground(parent.getBackground());
composite.setLayoutData(
new GridData(SWT.CENTER, SWT.CENTER, true, true));
GridLayout layout = new GridLayout(1, false);
layout.marginWidth = 0;
layout.marginHeight = 0;
layout.verticalSpacing = 60;
layout.horizontalSpacing = 0;
composite.setLayout(layout);
createImageSection(composite);
createButtonSection(composite);
}
private void createImageSection(Composite parent) {
Composite composite = new Composite(parent, SWT.NONE);
composite.setBackground(parent.getBackground());
composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
GridLayout layout = new GridLayout(1, false);
layout.marginWidth = 0;
layout.marginHeight = 0;
layout.verticalSpacing = 20;
layout.horizontalSpacing = 0;
composite.setLayout(layout);
Label image = new Label(composite, SWT.NONE);
image.setBackground(composite.getBackground());
image.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, true, false));
image.setImage((Image) resources.get(MindMapUI.getImages()
.get("insert_local_image_page.png", true))); //$NON-NLS-1$
Composite composite2 = new Composite(composite, SWT.NONE);
composite2.setBackground(parent.getBackground());
composite2.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
GridLayout layout2 = new GridLayout(1, false);
layout2.marginWidth = 10;
layout2.marginHeight = 0;
composite2.setLayout(layout2);
Label text = new Label(composite2, SWT.WRAP);
text.setBackground(composite2.getBackground());
text.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, true, false));
text.setForeground((Color) resources
.get(ColorDescriptor.createFrom(ColorUtils.toRGB("#aaaaaa")))); //$NON-NLS-1$
text.setAlignment(SWT.CENTER);
text.setFont((Font) resources.get(FontDescriptor.createFrom(
FontUtils.relativeHeight(text.getFont().getFontData(), 2))));
text.setText(
MindMapMessages.LocalImageModelPage_ImageSection_description);
}
private void createButtonSection(Composite parent) {
Composite composite = new Composite(parent, SWT.NONE);
composite.setBackground(parent.getBackground());
composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
GridLayout layout = new GridLayout(1, false);
layout.marginWidth = 0;
layout.marginHeight = 0;
layout.verticalSpacing = 0;
layout.horizontalSpacing = 0;
composite.setLayout(layout);
button = new Button(composite, SWT.PUSH);
button.setBackground(composite.getBackground());
GridData layoutData = new GridData(SWT.CENTER, SWT.CENTER, true, false);
layoutData.widthHint = 90;
button.setLayoutData(layoutData);
button.setText(MindMapMessages.LocalImageModelPage_Insert_button);
final InsertImageAction insertImageAction = new InsertImageAction();
button.addSelectionListener(new SelectionListener() {
@Override
public void widgetSelected(SelectionEvent e) {
insertImageAction.run();
}
@Override
public void widgetDefaultSelected(SelectionEvent e) {
}
});
//set button state
setTargetEditor(getEditor());
workbenchWindow.getActivePage().addPartListener(this);
}
public void setFocus() {
if (button != null && !button.isDisposed()) {
button.setFocus();
}
}
private void setTargetEditor(IGraphicalEditor editor) {
if (editor == this.editor) {
return;
}
if (this.editor != null) {
this.editor.getSite().getSelectionProvider()
.removeSelectionChangedListener(this);
}
this.editor = editor;
if (this.editor != null) {
this.editor.getSite().getSelectionProvider()
.addSelectionChangedListener(this);
setSelection(
editor.getSite().getSelectionProvider().getSelection());
} else {
setSelection(null);
}
}
@Override
public void selectionChanged(SelectionChangedEvent event) {
setSelection(event.getSelection());
}
private void setSelection(ISelection selection) {
boolean isEnabled = MindMapUtils.isSingleTopic(selection);
if (button != null && !button.isDisposed()) {
button.setEnabled(isEnabled);
}
}
@Override
public void partActivated(IWorkbenchPart part) {
if (part instanceof IGraphicalEditor) {
setTargetEditor((IGraphicalEditor) part);
}
}
@Override
public void partBroughtToTop(IWorkbenchPart part) {
}
@Override
public void partClosed(IWorkbenchPart part) {
setTargetEditor(null);
}
@Override
public void partDeactivated(IWorkbenchPart part) {
}
@Override
public void partOpened(IWorkbenchPart part) {
}
private void dispose() {
setTargetEditor(null);
workbenchWindow.getActivePage().removePartListener(this);
}
private IGraphicalEditor getEditor() {
IEditorPart activeEditor = workbenchWindow.getActivePage()
.getActiveEditor();
if (activeEditor instanceof IGraphicalEditor) {
return (IGraphicalEditor) activeEditor;
}
return null;
}
}
