MDS/openide
1
0
Fork 0
mirror of https://gitflic.ru/project/openide/openide.git synced 2026-09-27 10:03:11 +07:00
Code Issues Packages Projects Releases Wiki Activity

update documentation hints on selection changes

Browse Source
This commit is contained in:
Gregory.Shrago
2012-07-19 19:09:40 +04:00
parent a5424ef5a2
commit 9f0327d873
2 changed files with 26 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files
platform/lang-impl/src/com/intellij/ide/projectView/impl/ProjectViewTree.java
+2 -2
View File
@@ -16,7 +16,6 @@
package com.intellij.ide.projectView.impl;
import com.intellij.ide.dnd.aware.DnDAwareTree;
import com.intellij.ide.util.treeView.AbstractTreeNode;
import com.intellij.ide.util.treeView.NodeDescriptor;
import com.intellij.ide.util.treeView.NodeRenderer;
@@ -28,6 +27,7 @@ import com.intellij.psi.PsiElement;
import com.intellij.psi.util.PsiUtilCore;
import com.intellij.ui.ColorUtil;
import com.intellij.ui.FileColorManager;
import com.intellij.ui.JBTreeWithHintProvider;
import com.intellij.ui.tabs.FileColorManagerImpl;
import com.intellij.util.NullableFunction;
import org.jetbrains.annotations.NotNull;
@@ -41,7 +41,7 @@ import java.awt.*;
/**
* @author Konstantin Bulenkov
*/
public abstract class ProjectViewTree extends DnDAwareTree {
public abstract class ProjectViewTree extends JBTreeWithHintProvider {
private final Project myProject;
protected ProjectViewTree(Project project, TreeModel model) {
platform/lang-impl/src/com/intellij/ui/JBTreeWithHintProvider.java
+24 -8
View File
@@ -15,14 +15,18 @@
*/
package com.intellij.ui;
import com.intellij.ide.dnd.aware.DnDAwareTree;
import com.intellij.ide.util.treeView.AbstractTreeNode;
import com.intellij.ide.util.treeView.NodeDescriptor;
import com.intellij.openapi.ui.popup.JBPopup;
import com.intellij.openapi.ui.popup.PopupChooserBuilder;
import com.intellij.psi.PsiElement;
import com.intellij.ui.popup.PopupUpdateProcessor;
import com.intellij.ui.treeStructure.Tree;
import org.jetbrains.annotations.Nullable;
import javax.swing.event.TreeSelectionEvent;
import javax.swing.event.TreeSelectionListener;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.TreeModel;
import javax.swing.tree.TreeNode;
import javax.swing.tree.TreePath;
@@ -30,9 +34,9 @@ import javax.swing.tree.TreePath;
/**
* @author Konstantin Bulenkov
*/
public abstract class JBTreeWithHintProvider extends Tree {
public class JBTreeWithHintProvider extends DnDAwareTree {
private JBPopup myHint;
public JBTreeWithHintProvider() {
addSelectionListener();
}
@@ -51,7 +55,7 @@ public abstract class JBTreeWithHintProvider extends Tree {
addTreeSelectionListener(new TreeSelectionListener() {
@Override
public void valueChanged(final TreeSelectionEvent e) {
if (getClientProperty(PopupChooserBuilder.SELECTED_BY_MOUSE_EVENT) != Boolean.TRUE) {
if (isHintBeingShown() && getClientProperty(PopupChooserBuilder.SELECTED_BY_MOUSE_EVENT) != Boolean.TRUE) {
final TreePath path = getSelectionPath();
if (path != null) {
final PsiElement psiElement = getPsiElementForHint(path.getLastPathComponent());
@@ -63,8 +67,16 @@ public abstract class JBTreeWithHintProvider extends Tree {
}
});
}
protected abstract PsiElement getPsiElementForHint(final Object selectedValue);
@Nullable
protected PsiElement getPsiElementForHint(final Object selectedValue) {
// default implementation for NodeDescriptor based trees
Object userObject = selectedValue instanceof DefaultMutableTreeNode
? ((DefaultMutableTreeNode)selectedValue).getUserObject() : null;
Object element = userObject instanceof AbstractTreeNode ? ((AbstractTreeNode)userObject).getValue() :
userObject instanceof NodeDescriptor ? ((NodeDescriptor)userObject).getElement() : null;
return element instanceof PsiElement ? (PsiElement)element : null;
}
public void registerHint(final JBPopup hint) {
hideHint();
@@ -72,7 +84,7 @@ public abstract class JBTreeWithHintProvider extends Tree {
}
public void hideHint() {
if (myHint != null && myHint.isVisible()) {
if (isHintBeingShown()) {
myHint.cancel();
}
@@ -80,11 +92,15 @@ public abstract class JBTreeWithHintProvider extends Tree {
}
public void updateHint(PsiElement element) {
if (myHint == null || !myHint.isVisible()) return;
if (!isHintBeingShown()) return;
final PopupUpdateProcessor updateProcessor = myHint.getUserData(PopupUpdateProcessor.class);
if (updateProcessor != null) {
updateProcessor.updatePopup(element);
}
}
private boolean isHintBeingShown() {
return myHint != null && myHint.isVisible();
}
}