/**
* Rebuild the preview
*
* @param forceRepaint if true, a component repaint will be issued
*/
private void rebuild(boolean forceRepaint) {
try {
Configuration configuration = myContext.getConfiguration();
int minApiLevel =
configuration.getTarget() != null
? configuration.getTarget().getVersion().getApiLevel()
: Integer.MAX_VALUE;
ThemePreviewBuilder builder =
new ThemePreviewBuilder()
.setBackgroundColor(getBackground())
.addAllComponents(ThemePreviewBuilder.AVAILABLE_BASE_COMPONENTS)
.addAllComponents(myCustomComponents)
.addComponentFilter(new ThemePreviewBuilder.SearchFilter(mySearchTerm))
.addComponentFilter(new ThemePreviewBuilder.ApiLevelFilter(minApiLevel))
.addComponentFilter(myGroupFilter);
myIsAppCompatTheme = isAppCompatTheme(configuration);
if (myIsAppCompatTheme) {
builder
.addComponentFilter(mySupportReplacementsFilter)
.addAllComponents(mySupportLibraryComponents);
}
myAndroidPreviewPanel.setDocument(builder.build());
if (forceRepaint) {
repaint();
}
} catch (ParserConfigurationException e) {
LOG.error("Unable to generate dynamic theme preview", e);
}
}
private void refreshConfiguration() {
Configuration configuration = myContext.getConfiguration();
myAndroidPreviewPanel.updateConfiguration(configuration);
// We want the preview to remain the same size even when the device being used to render is
// different.
// Adjust the scale to the current config.
if (configuration.getDeviceState() != null) {
double scale =
myConstantScalingFactor
/ configuration
.getDeviceState()
.getHardware()
.getScreen()
.getPixelDensity()
.getDpiValue();
myAndroidPreviewPanel.setScale(scale);
} else {
LOG.error("Configuration getDeviceState returned null. Unable to set preview scale.");
}
}
/** Tells the panel that it needs to reload its android content and repaint it. */
public void invalidateGraphicsRenderer() {
myAndroidPreviewPanel.invalidateGraphicsRenderer();
myAndroidPreviewPanel.repaint();
}
@NotNull
public Set<String> getUsedAttrs() {
return myAndroidPreviewPanel.getUsedAttrs();
}
public AndroidThemePreviewPanel(@NotNull ThemeEditorContext context, @NotNull Color background) {
super(BoxLayout.PAGE_AXIS);
setOpaque(true);
setMinimumSize(JBUI.size(200, 0));
myContext = context;
myAndroidPreviewPanel = new AndroidPreviewPanel(myContext.getConfiguration());
myContext.addChangeListener(
new ThemeEditorContext.ChangeListener() {
@Override
public void onNewConfiguration(ThemeEditorContext context) {
refreshConfiguration();
}
});
myAndroidPreviewPanel.setMaximumSize(new Dimension(Integer.MAX_VALUE, Integer.MAX_VALUE));
myBreadcrumbs = new NavigationComponent<Breadcrumb>();
myBreadcrumbs.setFont(UIUtil.getLabelFont(UIUtil.FontSize.SMALL));
myDumbService = DumbService.getInstance(context.getProject());
myScrollPane =
new JBScrollPane(
myAndroidPreviewPanel,
ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,
ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
myScrollPane.setMaximumSize(new Dimension(Integer.MAX_VALUE, Integer.MAX_VALUE));
myScrollPane.setBorder(null);
myScrollPane.setViewportBorder(null);
mySearchTextField = new SearchTextField(true);
// Avoid search box stretching more than 1 line.
mySearchTextField.setMaximumSize(
new Dimension(Integer.MAX_VALUE, mySearchTextField.getPreferredSize().height));
mySearchTextField.setBorder(IdeBorderFactory.createEmptyBorder(0, 30, 0, 30));
final Runnable delayedUpdate =
new Runnable() {
@Override
public void run() {
rebuild();
}
};
// We use a timer when we detect a change in the search field to avoid re-creating the preview
// if it's not necessary.
mySearchTextField.addDocumentListener(
new DocumentAdapter() {
@Override
protected void textChanged(DocumentEvent e) {
Document document = e.getDocument();
try {
String search = document.getText(0, document.getLength());
// Only use search terms longer than 3 characters.
String newSearchTerm = search.length() < 3 ? "" : search;
if (newSearchTerm.equals(mySearchTerm)) {
return;
}
if (myPendingSearch != null) {
myPendingSearch.cancel(true);
}
mySearchTerm = newSearchTerm;
myPendingSearch =
mySearchScheduler.schedule(delayedUpdate, 300, TimeUnit.MILLISECONDS);
} catch (BadLocationException e1) {
LOG.error(e1);
}
}
});
myBreadcrumbs.setRootItem(new Breadcrumb("All components"));
add(Box.createRigidArea(new Dimension(0, 5)));
add(myBreadcrumbs);
add(Box.createRigidArea(new Dimension(0, 10)));
add(mySearchTextField);
add(Box.createRigidArea(new Dimension(0, 10)));
add(myScrollPane);
setBackground(background);
reloadComponents();
myBreadcrumbs.addItemListener(
new NavigationComponent.ItemListener<Breadcrumb>() {
@Override
public void itemSelected(@NotNull Breadcrumb item) {
myBreadcrumbs.goTo(item);
rebuild();
}
});
myAndroidPreviewPanel.addMouseListener(
new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
ViewInfo view = myAndroidPreviewPanel.findViewAtPoint(e.getPoint());
if (view == null) {
return;
}
mySearchTextField.setText("");
Object cookie = view.getCookie();
if (cookie instanceof MergeCookie) {
cookie = ((MergeCookie) cookie).getCookie();
}
if (!(cookie instanceof Element)) {
return;
}
NamedNodeMap attributes = ((Element) cookie).getAttributes();
Node group =
attributes.getNamedItemNS(
ThemePreviewBuilder.BUILDER_URI, ThemePreviewBuilder.BUILDER_ATTR_GROUP);
if (group != null) {
myBreadcrumbs.push(
new Breadcrumb(ThemePreviewBuilder.ComponentGroup.valueOf(group.getNodeValue())));
rebuild();
}
}
});
myContext.addConfigurationListener(
new ConfigurationListener() {
@Override
public boolean changed(int flags) {
refreshConfiguration();
if ((flags & ConfigurationListener.CFG_THEME) != 0) {
boolean appCompatTheme = isAppCompatTheme(myContext.getConfiguration());
if (appCompatTheme != myIsAppCompatTheme) {
rebuild();
}
}
return true;
}
});
}