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IDEA-152049 Project view collapses in unpinned mode after some time and changes in editor

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restore tree state on activation and save it on deactivation
This commit is contained in:
Sergey Malenkov
2016-07-25 20:09:21 +03:00
parent c8bf17b6bc
commit 5383aeb3e2
1 changed files with 21 additions and 0 deletions
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platform/lang-impl/src/com/intellij/ide/projectView/impl/AbstractProjectViewPSIPane.java
+21
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@@ -48,6 +48,8 @@ import com.intellij.util.OpenSourceUtil;
import com.intellij.util.ui.UIUtil;
import com.intellij.util.ui.accessibility.ScreenReader;
import com.intellij.util.ui.tree.TreeUtil;
import com.intellij.util.ui.update.Activatable;
import com.intellij.util.ui.update.UiNotifyConnector;
import org.jetbrains.annotations.NotNull;
import javax.swing.*;
@@ -118,6 +120,25 @@ public abstract class AbstractProjectViewPSIPane extends AbstractProjectViewPane
installComparator();
initTree();
Disposer.register(getTreeBuilder(), new UiNotifyConnector(myTree, new Activatable() {
private boolean showing;
@Override
public void showNotify() {
if (!showing) {
showing = true;
restoreExpandedPaths();
}
}
@Override
public void hideNotify() {
if (showing) {
showing = false;
saveExpandedPaths();
}
}
}));
return myComponent;
}