static {
ISharedImages sharedImages = PlatformUI.getWorkbench().getSharedImages();
IconFactory icons = IconFactory.getInstance();
CLOSE_ICON = sharedImages.getImage(ISharedImages.IMG_ETOOL_DELETE);
EDIT_ICON = icons.getIcon("editPreview"); // $NON-NLS-1$
ZOOM_IN_ICON = icons.getIcon("zoomplus"); // $NON-NLS-1$
ZOOM_OUT_ICON = icons.getIcon("zoomminus"); // $NON-NLS-1$
CLOSE_ICON_WIDTH = CLOSE_ICON.getImageData().width;
EDIT_ICON_WIDTH = EDIT_ICON.getImageData().width;
ZOOM_IN_ICON_WIDTH = ZOOM_IN_ICON.getImageData().width;
ZOOM_OUT_ICON_WIDTH = ZOOM_OUT_ICON.getImageData().width;
}
private void addRadio(RuleAction.Choices choices) {
List<URL> icons = choices.getIconUrls();
List<String> titles = choices.getTitles();
List<String> ids = choices.getIds();
String current = choices.getCurrent() != null ? choices.getCurrent() : ""; // $NON-NLS-1$
assert icons != null;
assert icons.size() == titles.size();
for (int i = 0; i < icons.size(); i++) {
URL iconUrl = icons.get(i);
String title = titles.get(i);
final String id = ids.get(i);
final ToolItem item = new ToolItem(mLayoutToolBar, SWT.RADIO);
item.setToolTipText(title);
item.setImage(IconFactory.getInstance().getIcon(iconUrl));
item.setData(choices);
item.setData(ATTR_ID, id);
item.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
if (item.getSelection()) {
RuleAction.Choices choices = (Choices) item.getData();
choices.getCallback().action(choices, getSelectedNodes(), id, null);
updateSelection();
}
}
});
boolean selected = current.equals(id);
if (selected) {
item.setSelection(true);
}
}
}
private void addPlainAction(RuleAction menuAction) {
final ToolItem button = new ToolItem(mLayoutToolBar, SWT.PUSH);
URL iconUrl = menuAction.getIconUrl();
String title = menuAction.getTitle();
if (iconUrl != null) {
button.setImage(IconFactory.getInstance().getIcon(iconUrl));
button.setToolTipText(title);
} else {
button.setText(title);
}
button.setData(menuAction);
button.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
RuleAction menuAction = (RuleAction) button.getData();
menuAction
.getCallback()
.action(menuAction, getSelectedNodes(), menuAction.getId(), false);
updateSelection();
}
});
}
private void addToggle(Toggle toggle) {
final ToolItem button = new ToolItem(mLayoutToolBar, SWT.CHECK);
URL iconUrl = toggle.getIconUrl();
String title = toggle.getTitle();
if (iconUrl != null) {
button.setImage(IconFactory.getInstance().getIcon(iconUrl));
button.setToolTipText(title);
} else {
button.setText(title);
}
button.setData(toggle);
button.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
Toggle toggle = (Toggle) button.getData();
toggle
.getCallback()
.action(toggle, getSelectedNodes(), toggle.getId(), button.getSelection());
updateSelection();
}
});
if (toggle.isChecked()) {
button.setSelection(true);
}
}
private void addDropdown(RuleAction.Choices choices) {
final ToolItem combo = new ToolItem(mLayoutToolBar, SWT.DROP_DOWN);
URL iconUrl = choices.getIconUrl();
if (iconUrl != null) {
combo.setImage(IconFactory.getInstance().getIcon(iconUrl));
combo.setToolTipText(choices.getTitle());
} else {
combo.setText(choices.getTitle());
}
combo.setData(choices);
Listener menuListener =
new Listener() {
@Override
public void handleEvent(Event event) {
Menu menu = new Menu(mLayoutToolBar.getShell(), SWT.POP_UP);
RuleAction.Choices choices = (Choices) combo.getData();
List<URL> icons = choices.getIconUrls();
List<String> titles = choices.getTitles();
List<String> ids = choices.getIds();
String current =
choices.getCurrent() != null ? choices.getCurrent() : ""; // $NON-NLS-1$
for (int i = 0; i < titles.size(); i++) {
String title = titles.get(i);
final String id = ids.get(i);
URL itemIconUrl = icons != null && icons.size() > 0 ? icons.get(i) : null;
MenuItem item = new MenuItem(menu, SWT.CHECK);
item.setText(title);
if (itemIconUrl != null) {
Image itemIcon = IconFactory.getInstance().getIcon(itemIconUrl);
item.setImage(itemIcon);
}
boolean selected = id.equals(current);
if (selected) {
item.setSelection(true);
}
item.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
RuleAction.Choices choices = (Choices) combo.getData();
choices.getCallback().action(choices, getSelectedNodes(), id, null);
updateSelection();
}
});
}
Rectangle bounds = combo.getBounds();
Point location = new Point(bounds.x, bounds.y + bounds.height);
location = combo.getParent().toDisplay(location);
menu.setLocation(location.x, location.y);
menu.setVisible(true);
}
};
combo.addListener(SWT.Selection, menuListener);
}
public Image getPageImage() {
return IconFactory.getInstance()
.getIcon(getTitle(), IconFactory.COLOR_RED, IconFactory.SHAPE_RECT);
}
/**
* Sets whether the action bar should show the "lint warnings" button
*
* @param hasLintWarnings whether there are lint errors to be shown
*/
private void updateErrorIndicator(final int markerCount) {
Display display = getDisplay();
if (display.getThread() != Thread.currentThread()) {
display.asyncExec(
new Runnable() {
@Override
public void run() {
if (!isDisposed()) {
updateErrorIndicator(markerCount);
}
}
});
return;
}
GridData layoutData = (GridData) mLintToolBar.getLayoutData();
Integer existing = (Integer) mLintToolBar.getData();
Integer current = Integer.valueOf(markerCount);
if (!current.equals(existing)) {
mLintToolBar.setData(current);
boolean layout = false;
boolean hasLintWarnings = markerCount > 0 && AdtPrefs.getPrefs().isLintOnSave();
if (layoutData.exclude == hasLintWarnings) {
layoutData.exclude = !hasLintWarnings;
mLintToolBar.setVisible(hasLintWarnings);
layout = true;
}
if (markerCount > 0) {
String iconName = "";
switch (markerCount) {
case 1:
iconName = "lint1";
break; //$NON-NLS-1$
case 2:
iconName = "lint2";
break; //$NON-NLS-1$
case 3:
iconName = "lint3";
break; //$NON-NLS-1$
case 4:
iconName = "lint4";
break; //$NON-NLS-1$
case 5:
iconName = "lint5";
break; //$NON-NLS-1$
case 6:
iconName = "lint6";
break; //$NON-NLS-1$
case 7:
iconName = "lint7";
break; //$NON-NLS-1$
case 8:
iconName = "lint8";
break; //$NON-NLS-1$
case 9:
iconName = "lint9";
break; //$NON-NLS-1$
default:
iconName = "lint9p";
break; //$NON-NLS-1$
}
mLintButton.setImage(IconFactory.getInstance().getIcon(iconName));
}
if (layout) {
layout();
}
redraw();
}
}
@SuppressWarnings("unused") // SWT constructors have side effects, they are not unused
private ToolBar createZoomControls() {
ToolBar toolBar = new ToolBar(this, SWT.FLAT | SWT.RIGHT | SWT.HORIZONTAL);
IconFactory iconFactory = IconFactory.getInstance();
mZoomRealSizeButton = new ToolItem(toolBar, SWT.CHECK);
mZoomRealSizeButton.setToolTipText("Emulate Real Size");
mZoomRealSizeButton.setImage(iconFactory.getIcon("zoomreal")); // $NON-NLS-1$);
mZoomRealSizeButton.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
boolean newState = mZoomRealSizeButton.getSelection();
if (rescaleToReal(newState)) {
mZoomOutButton.setEnabled(!newState);
mZoomResetButton.setEnabled(!newState);
mZoomInButton.setEnabled(!newState);
mZoomFitButton.setEnabled(!newState);
} else {
mZoomRealSizeButton.setSelection(!newState);
}
}
});
mZoomFitButton = new ToolItem(toolBar, SWT.PUSH);
mZoomFitButton.setToolTipText("Zoom to Fit (0)");
mZoomFitButton.setImage(iconFactory.getIcon("zoomfit")); // $NON-NLS-1$);
mZoomFitButton.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
rescaleToFit(true);
}
});
mZoomResetButton = new ToolItem(toolBar, SWT.PUSH);
mZoomResetButton.setToolTipText("Reset Zoom to 100% (1)");
mZoomResetButton.setImage(iconFactory.getIcon("zoom100")); // $NON-NLS-1$);
mZoomResetButton.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
resetScale();
}
});
// Group zoom in/out separately
new ToolItem(toolBar, SWT.SEPARATOR);
mZoomOutButton = new ToolItem(toolBar, SWT.PUSH);
mZoomOutButton.setToolTipText("Zoom Out (-)");
mZoomOutButton.setImage(iconFactory.getIcon("zoomminus")); // $NON-NLS-1$);
mZoomOutButton.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
rescale(-1);
}
});
mZoomInButton = new ToolItem(toolBar, SWT.PUSH);
mZoomInButton.setToolTipText("Zoom In (+)");
mZoomInButton.setImage(iconFactory.getIcon("zoomplus")); // $NON-NLS-1$);
mZoomInButton.addSelectionListener(
new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
rescale(+1);
}
});
return toolBar;
}
@Override
public Image getIcon() {
return IconFactory.getInstance().getIcon("ratio"); // $NON-NLS-1$
}
/**
* Paints the preview title at the given position (and returns the required height)
*
* @param gc the graphics context to paint into
* @param x the left edge of the preview rectangle
* @param y the top edge of the preview rectangle
* @param displayName the title string to be used
*/
int paintTitle(GC gc, int x, int y, boolean showFile, String displayName) {
int titleHeight = 0;
if (showFile && mIncludedWithin != null) {
if (mManager.getMode() != INCLUDES) {
displayName = "<include>";
} else {
// Skip: just paint footer instead
displayName = null;
}
}
int width = getWidth();
int labelTop = y + 1;
gc.setClipping(x, labelTop, width, 100);
// Use font height rather than extent height since we want two adjacent
// previews (which may have different display names and therefore end
// up with slightly different extent heights) to have identical title
// heights such that they are aligned identically
int fontHeight = gc.getFontMetrics().getHeight();
if (displayName != null && displayName.length() > 0) {
gc.setForeground(gc.getDevice().getSystemColor(SWT.COLOR_WHITE));
Point extent = gc.textExtent(displayName);
int labelLeft = Math.max(x, x + (width - extent.x) / 2);
Image icon = null;
Locale locale = mConfiguration.getLocale();
if (locale != null
&& (locale.hasLanguage() || locale.hasRegion())
&& (!(mConfiguration instanceof NestedConfiguration)
|| ((NestedConfiguration) mConfiguration).isOverridingLocale())) {
icon = locale.getFlagImage();
}
if (icon != null) {
int flagWidth = icon.getImageData().width;
int flagHeight = icon.getImageData().height;
labelLeft = Math.max(x + flagWidth / 2, labelLeft);
gc.drawImage(icon, labelLeft - flagWidth / 2 - 1, labelTop);
labelLeft += flagWidth / 2 + 1;
gc.drawText(displayName, labelLeft, labelTop - (extent.y - flagHeight) / 2, true);
} else {
gc.drawText(displayName, labelLeft, labelTop, true);
}
labelTop += extent.y;
titleHeight += fontHeight;
}
if (showFile && (mAlternateInput != null || mIncludedWithin != null)) {
// Draw file flag, and parent folder name
IFile file = mAlternateInput != null ? mAlternateInput : mIncludedWithin.getFile();
String fileName = file.getParent().getName() + File.separator + file.getName();
Point extent = gc.textExtent(fileName);
Image icon = IconFactory.getInstance().getIcon("android_file"); // $NON-NLS-1$
int flagWidth = icon.getImageData().width;
int flagHeight = icon.getImageData().height;
int labelLeft = Math.max(x, x + (width - extent.x - flagWidth - 1) / 2);
gc.drawImage(icon, labelLeft, labelTop);
gc.setForeground(gc.getDevice().getSystemColor(SWT.COLOR_GRAY));
labelLeft += flagWidth + 1;
labelTop -= (extent.y - flagHeight) / 2;
gc.drawText(fileName, labelLeft, labelTop, true);
titleHeight += Math.max(titleHeight, icon.getImageData().height);
}
gc.setClipping((Region) null);
return titleHeight;
}
/**
* Paints the preview at the given x/y position
*
* @param gc the graphics context to paint it into
* @param x the x coordinate to paint the preview at
* @param y the y coordinate to paint the preview at
*/
void paint(GC gc, int x, int y) {
mTitleHeight = paintTitle(gc, x, y, true /*showFile*/);
y += mTitleHeight;
y += 2;
int width = getWidth();
int height = getHeight();
if (mThumbnail != null && mError == null) {
gc.drawImage(mThumbnail, x, y);
if (mActive) {
int oldWidth = gc.getLineWidth();
gc.setLineWidth(3);
gc.setForeground(gc.getDevice().getSystemColor(SWT.COLOR_LIST_SELECTION));
gc.drawRectangle(x - 1, y - 1, width + 2, height + 2);
gc.setLineWidth(oldWidth);
}
} else if (mError != null) {
if (mThumbnail != null) {
gc.drawImage(mThumbnail, x, y);
} else {
gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_WIDGET_BORDER));
gc.drawRectangle(x, y, width, height);
}
gc.setClipping(x, y, width, height);
Image icon = IconFactory.getInstance().getIcon("renderError"); // $NON-NLS-1$
ImageData data = icon.getImageData();
int prevAlpha = gc.getAlpha();
int alpha = 96;
if (mThumbnail != null) {
alpha -= 32;
}
gc.setAlpha(alpha);
gc.drawImage(icon, x + (width - data.width) / 2, y + (height - data.height) / 2);
String msg = mError;
Density density = mConfiguration.getDensity();
if (density == Density.TV || density == Density.LOW) {
msg =
"Broken rendering library; unsupported DPI. Try using the SDK manager "
+ "to get updated layout libraries.";
}
int charWidth = gc.getFontMetrics().getAverageCharWidth();
int charsPerLine = (width - 10) / charWidth;
msg = SdkUtils.wrap(msg, charsPerLine, null);
gc.setAlpha(255);
gc.setForeground(gc.getDevice().getSystemColor(SWT.COLOR_BLACK));
gc.drawText(msg, x + 5, y + HEADER_HEIGHT, true);
gc.setAlpha(prevAlpha);
gc.setClipping((Region) null);
} else {
gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_WIDGET_BORDER));
gc.drawRectangle(x, y, width, height);
Image icon = IconFactory.getInstance().getIcon("refreshPreview"); // $NON-NLS-1$
ImageData data = icon.getImageData();
int prevAlpha = gc.getAlpha();
gc.setAlpha(96);
gc.drawImage(icon, x + (width - data.width) / 2, y + (height - data.height) / 2);
gc.setAlpha(prevAlpha);
}
if (mActive) {
int left = x;
int prevAlpha = gc.getAlpha();
gc.setAlpha(208);
Color bg = mCanvas.getDisplay().getSystemColor(SWT.COLOR_WHITE);
gc.setBackground(bg);
gc.fillRectangle(left, y, x + width - left, HEADER_HEIGHT);
gc.setAlpha(prevAlpha);
y += 2;
// Paint icons
gc.drawImage(CLOSE_ICON, left, y);
left += CLOSE_ICON_WIDTH;
gc.drawImage(ZOOM_IN_ICON, left, y);
left += ZOOM_IN_ICON_WIDTH;
gc.drawImage(ZOOM_OUT_ICON, left, y);
left += ZOOM_OUT_ICON_WIDTH;
gc.drawImage(EDIT_ICON, left, y);
left += EDIT_ICON_WIDTH;
}
}
