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Performance fix: don't reformat code style sample twice upon first preview load (see IDEA-127086 Code Style preview: too much delay)

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This commit is contained in:
Rustam Vishnyakov
2016-06-20 14:58:53 +03:00
parent ae10355fc4
commit bce7f14a93
1 changed files with 4 additions and 2 deletions
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platform/lang-impl/src/com/intellij/application/options/CodeStyleAbstractPanel.java
+4 -2
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@@ -202,7 +202,9 @@ public abstract class CodeStyleAbstractPanel implements Disposable {
ApplicationManager.getApplication().runWriteAction(() -> {
try {
Document beforeReformat = null;
beforeReformat = collectChangesBeforeCurrentSettingsAppliance(project);
if (myEditor.getDocument().getTextLength() > 0) {
beforeReformat = collectChangesBeforeCurrentSettingsAppliance(project);
}
//important not mark as generated not to get the classes before setting language level
PsiFile psiFile = createFileFromText(project, myTextToReformat);
@@ -227,7 +229,7 @@ public abstract class CodeStyleAbstractPanel implements Disposable {
myEditor.getSettings().setTabSize(clone.getTabSize(getFileType()));
Document document = myEditor.getDocument();
document.replaceString(0, document.getTextLength(), formatted.getText());
if (document != null && beforeReformat != null) {
if (beforeReformat != null) {
highlightChanges(beforeReformat);
}
}