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DnD - text highlighting implemented as balloons

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This commit is contained in:
Kirill Kalishev
2011-10-14 17:44:46 +04:00
parent c7bb1f54ff
commit 8a955209e8
2 changed files with 42 additions and 54 deletions
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platform/platform-impl/src/com/intellij/ide/dnd/Highlighters.java
+41 -54
View File
@@ -15,8 +15,13 @@
*/
package com.intellij.ide.dnd;
import com.intellij.openapi.ui.MessageType;
import com.intellij.openapi.ui.popup.Balloon;
import com.intellij.openapi.ui.popup.JBPopupFactory;
import com.intellij.openapi.util.IconLoader;
import com.intellij.openapi.util.SystemInfo;
import com.intellij.openapi.util.registry.Registry;
import com.intellij.ui.awt.RelativePoint;
import com.intellij.util.ui.UIUtil;
import javax.accessibility.Accessible;
@@ -26,9 +31,9 @@ import java.util.ArrayList;
import java.util.List;
public class Highlighters implements DnDEvent.DropTargetHighlightingType {
private static final List<Accessible> ourHightlighters = new ArrayList<Accessible>();
private static final List<DropTargetHighlighter> ourHightlighters = new ArrayList<DropTargetHighlighter>();
private static final List<DropTargetHighlighter> ourCurrentHighlighters = new ArrayList<DropTargetHighlighter>();
private static final ArrayList<DropTargetHighlighter> ourCurrentHighlighters = new ArrayList<DropTargetHighlighter>();
static {
ourHightlighters.add(new RectangleHighlighter());
@@ -41,7 +46,7 @@ public class Highlighters implements DnDEvent.DropTargetHighlightingType {
static void show(int aType, JLayeredPane aPane, Rectangle aRectangle, DnDEvent aEvent) {
List<DropTargetHighlighter> toShow = new ArrayList<DropTargetHighlighter>();
for (Accessible ourHightlighter : ourHightlighters) {
for (DropTargetHighlighter ourHightlighter : ourHightlighters) {
DropTargetHighlighter each = (DropTargetHighlighter)ourHightlighter;
if ((each.getMask() & aType) != 0) {
toShow.add(each);
@@ -127,65 +132,43 @@ public class Highlighters implements DnDEvent.DropTargetHighlightingType {
protected abstract void _show(JLayeredPane aPane, Rectangle aRectangle, DnDEvent aEvent);
}
private abstract static class BaseTextHighlighter extends JWindow implements DropTargetHighlighter {
protected JLabel myLabel;
public abstract static class BaseTextHighlighter implements DropTargetHighlighter {
public BaseTextHighlighter() {
myLabel = new JLabel("", JLabel.CENTER) {
protected void paintComponent(Graphics g) {
BaseTextHighlighter.this.paintComponent(g);
super.paintComponent(g);
}
};
myLabel.setFont(myLabel.getFont().deriveFont(Font.BOLD));
myLabel.setForeground(UIUtil.getToolTipForeground());
private Balloon myCurrentBalloon;
private MessageType myMessageType;
setFocusable(false);
getContentPane().setLayout(new BorderLayout());
getContentPane().add(myLabel, BorderLayout.CENTER);
public BaseTextHighlighter(MessageType type) {
myMessageType = type;
}
public void show(JLayeredPane aPane, Rectangle aRectangle, DnDEvent aEvent) {
myLabel.setText(aEvent.getExpectedDropResult());
final Dimension prefSize = getPreferredSize();
prefSize.width += 10;
prefSize.height += 4;
if (!Registry.is("ide.dnd.textHints")) return;
int centerX = aRectangle.x + aRectangle.width / 2;
final Rectangle newBounds = new Rectangle(centerX - prefSize.width / 2, aRectangle.y - prefSize.height - 5, prefSize.width, prefSize.height);
newBounds.y = newBounds.y < 0 ? 0 : newBounds.y;
Point location = newBounds.getLocation();
SwingUtilities.convertPointToScreen(location, aPane);
newBounds.setLocation(location);
setBounds(newBounds);
show();
if (SystemInfo.isUnix) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
toFront();
final String result = aEvent.getExpectedDropResult();
if (result != null && result.length() > 0) {
RelativePoint point = null;
for (DropTargetHighlighter each : ourHightlighters) {
if (each instanceof AbstractComponentHighlighter) {
Rectangle rec = ((AbstractComponentHighlighter)each).getBounds();
point = new RelativePoint(aPane, new Point(rec.x + rec.width, rec.y + rec.height / 2));
break;
}
});
}
if (point == null) {
point = new RelativePoint(aPane, new Point(aRectangle.x + aRectangle.width, aRectangle.y + aRectangle.height / 2));
}
myCurrentBalloon = JBPopupFactory.getInstance().createHtmlTextBalloonBuilder(result, myMessageType, null).createBalloon();
myCurrentBalloon.show(point, Balloon.Position.atRight);
}
}
public void vanish() {
hide();
}
protected void paintComponent(Graphics g) {
Graphics2D g2d = (Graphics2D) g;
Object old = g2d.getRenderingHint(RenderingHints.KEY_ANTIALIASING);
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g.setColor(UIUtil.getToolTipBackground());
g.fillRoundRect(0, 0, getSize().width - 1, getSize().height - 1, 6, 6);
g.setColor(UIUtil.getToolTipForeground());
g.drawRoundRect(0, 0, getSize().width - 1, getSize().height - 1, 6, 6);
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, old);
if (myCurrentBalloon != null) {
myCurrentBalloon.hide();
myCurrentBalloon = null;
}
}
protected Integer getLayer() {
@@ -194,7 +177,12 @@ public class Highlighters implements DnDEvent.DropTargetHighlightingType {
}
private static class TextHighlighter extends BaseTextHighlighter {
public static class TextHighlighter extends BaseTextHighlighter {
public TextHighlighter() {
super(MessageType.INFO);
}
public int getMask() {
return TEXT;
}
@@ -202,8 +190,7 @@ public class Highlighters implements DnDEvent.DropTargetHighlightingType {
private static class ErrorTextHighlighter extends BaseTextHighlighter {
public ErrorTextHighlighter() {
super();
myLabel.setIcon(IconLoader.getIcon("/ide/dnd/error.png"));
super(MessageType.ERROR);
}
public int getMask() {
platform/platform-resources-en/src/misc/registry.properties
+1
View File
@@ -41,6 +41,7 @@ ide.popup.dropShadow=false
ide.consumeKnownToolkitBugs=true
ide.highlight.match.in.selected.only=true
ide.lazyIconLoading=true
ide.dnd.textHints=false
ide.appIcon.progress=true
ide.appIcon.badge=true