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Set save button enabled iff alt-signature doesn't have syntax errors.

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This commit is contained in:
Evgeny Gerashchenko
2012-09-05 17:10:30 +04:00
parent 528fb0ce4f
commit c6b723f0ca
1 changed files with 41 additions and 2 deletions
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idea/src/org/jetbrains/jet/plugin/codeInsight/ktSignature/EditSignatureBalloon.java
+41 -2
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@@ -25,6 +25,8 @@ import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.editor.EditorFactory;
import com.intellij.openapi.editor.EditorSettings;
import com.intellij.openapi.editor.colors.EditorColors;
import com.intellij.openapi.editor.event.DocumentAdapter;
import com.intellij.openapi.editor.event.DocumentEvent;
import com.intellij.openapi.editor.ex.EditorEx;
import com.intellij.openapi.editor.ex.EditorGutterComponentEx;
import com.intellij.openapi.fileEditor.FileDocumentManager;
@@ -41,6 +43,8 @@ import com.intellij.testFramework.LightVirtualFile;
import com.intellij.ui.awt.RelativePoint;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.jet.lang.psi.JetFile;
import org.jetbrains.jet.lang.resolve.AnalyzingUtils;
import org.jetbrains.jet.plugin.JetFileType;
import javax.swing.*;
@@ -97,9 +101,28 @@ class EditSignatureBalloon {
assert editorFactory != null;
LightVirtualFile virtualFile = new LightVirtualFile("signature.kt", JetFileType.INSTANCE, previousSignature);
virtualFile.setWritable(editable);
Document document = FileDocumentManager.getInstance().getDocument(virtualFile);
final Document document = FileDocumentManager.getInstance().getDocument(virtualFile);
assert document != null;
// TODO unregister listener
document.addDocumentListener(new DocumentAdapter() {
@Override
public void documentChanged(DocumentEvent event) {
PsiDocumentManager psiDocManager = PsiDocumentManager.getInstance(project);
final PsiFile psiFile = psiDocManager.getPsiFile(document);
assert psiFile instanceof JetFile;
psiDocManager.performForCommittedDocument(document, new Runnable() {
@Override
public void run() {
panel.setSaveButtonEnabled(hasErrors((JetFile) psiFile));
}
});
psiDocManager.commitDocument(document);
}
});
Editor editor = editorFactory.createEditor(document, project, JetFileType.INSTANCE, !editable);
EditorSettings settings = editor.getSettings();
settings.setVirtualSpace(false);
@@ -203,15 +226,21 @@ class EditSignatureBalloon {
new EditSignatureBalloon(annotationOwner, getKotlinSignature(annotation), editable).show(point, editor);
}
}
private static boolean hasErrors(@NotNull JetFile file) {
return AnalyzingUtils.getSyntaxErrorRanges(file).isEmpty();
}
private class MyPanel extends JPanel {
private final JButton saveButton;
MyPanel() {
super(new BorderLayout());
add(editor.getComponent(), BorderLayout.CENTER);
if (editable) {
JPanel toolbar = new JPanel(new FlowLayout(FlowLayout.RIGHT));
JButton saveButton = new JButton("Save") {
saveButton = new JButton("Save") {
@Override
public boolean isDefaultButton() {
return true;
@@ -240,6 +269,9 @@ class EditSignatureBalloon {
registerKeyboardAction(saveAndHideListener, KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, InputEvent.CTRL_DOWN_MASK),
JComponent.WHEN_IN_FOCUSED_WINDOW);
}
else {
saveButton = null;
}
registerKeyboardAction(new ActionListener() {
@Override
@@ -248,5 +280,12 @@ class EditSignatureBalloon {
}
}, KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0), JComponent.WHEN_IN_FOCUSED_WINDOW);
}
void setSaveButtonEnabled(boolean enabled) {
if (saveButton != null) {
saveButton.setEnabled(enabled);
saveButton.setToolTipText(enabled ? null : "Please fix errors in signature to save it.");
}
}
}
}