IDEA-79964: Throwable at com.intellij.openapi.editor.impl.DocumentImpl.b

Added dedicated gradle colors settings page

plugins/gradle/resources/i18n/GradleBundle.properties

@@ -47,6 +47,10 @@ gradle.import.text.error.file.module.test.output.location=Module test output loc
 gradle.import.text.incomplete.tooling.api=Gradle version contains incomplete tooling API
 
 gradle.sync.title.tab=Changes
+gradle.sync.change.type.gradle=Gradle local setting
+gradle.sync.change.type.intellij={0} local setting
+gradle.sync.change.type.conflict=Settings conflict
+gradle.sync.change.type.confirmed=Confirmed settings diff
 
 gradle.library.resolve.progress.text=Resolving gradle libraries
 

plugins/gradle/src/META-INF/plugin.xml

@@ -32,6 +32,7 @@
     <library.presentationProvider implementation="org.jetbrains.plugins.gradle.config.GradleLibraryPresentationProvider" order="last"/>
     <java.elementFinder implementation="org.jetbrains.plugins.gradle.config.GradleClassFinder"/>
     <projectOpenProcessor implementation="org.jetbrains.plugins.gradle.importing.GradleProjectOpenProcessor"/>
+    <colorSettingsPage implementation="org.jetbrains.plugins.gradle.config.GradleColorSettingsPage"/>
 
     <applicationService serviceImplementation="org.jetbrains.plugins.gradle.remote.GradleApiFacadeManager"/>
     <applicationService serviceImplementation="org.jetbrains.plugins.gradle.util.GradleLibraryManager"/>

plugins/gradle/src/org/jetbrains/plugins/gradle/config/GradleColorKeys.java

@@ -0,0 +1,30 @@
+package org.jetbrains.plugins.gradle.config;
+
+import com.intellij.openapi.editor.colors.ColorKey;
+import com.intellij.ui.Gray;
+
+import java.awt.*;
+
+/**
+ * Holds keys to the colors used at gradle-specific processing.
+ * <p/>
+ * Thread-safe.
+ * 
+ * @author Denis Zhdanov
+ * @since 1/18/12 4:19 PM
+ */
+public class GradleColorKeys {
+  
+  /**
+   * References color to use for indication of particular change that exists only at the gradle side.
+   * <p/>
+   * Example: particular dependency is added at the gradle side but not at intellij.
+   */
+  public static final ColorKey GRADLE_LOCAL_CHANGE = ColorKey.createColorKey("GRADLE_LOCAL_CHANGE", new Color(130, 184, 22));
+  public static final ColorKey GRADLE_INTELLIJ_LOCAL_CHANGE = ColorKey.createColorKey("GRADLE_INTELLIJ_LOCAL_CHANGE", new Color(16, 102, 248));
+  public static final ColorKey GRADLE_CHANGE_CONFLICT = ColorKey.createColorKey("GRADLE_CHANGE_CONFLICT", new Color(255, 187, 255));
+  public static final ColorKey GRADLE_CONFIRMED_CONFLICT = ColorKey.createColorKey("GRADLE_CONFIRMED_CONFLICT", Gray._208);
+  
+  private GradleColorKeys() {
+  }
+}

plugins/gradle/src/org/jetbrains/plugins/gradle/config/GradleColorSettingsPage.java

@@ -0,0 +1,89 @@
+package org.jetbrains.plugins.gradle.config;
+
+import com.intellij.openapi.application.ApplicationNamesInfo;
+import com.intellij.openapi.editor.colors.TextAttributesKey;
+import com.intellij.openapi.fileTypes.PlainSyntaxHighlighter;
+import com.intellij.openapi.fileTypes.SyntaxHighlighter;
+import com.intellij.openapi.options.colors.AttributesDescriptor;
+import com.intellij.openapi.options.colors.ColorDescriptor;
+import com.intellij.openapi.options.colors.ColorSettingsPage;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.plugins.gradle.ui.GradleIcons;
+import org.jetbrains.plugins.gradle.util.GradleBundle;
+
+import javax.swing.*;
+import java.util.Map;
+
+/**
+ * Provides support for defining gradle-specific color settings.
+ * <p/>
+ * Not thread-safe.
+ * 
+ * @author Denis Zhdanov
+ * @since 1/18/12 4:15 PM
+ */
+public class GradleColorSettingsPage implements ColorSettingsPage {
+  
+  private static final ColorDescriptor[] DESCRIPTORS = {
+    new ColorDescriptor(
+      GradleBundle.message("gradle.sync.change.type.gradle"),
+      GradleColorKeys.GRADLE_LOCAL_CHANGE,
+      ColorDescriptor.Kind.FOREGROUND
+    ),
+    new ColorDescriptor(
+      GradleBundle.message("gradle.sync.change.type.intellij", ApplicationNamesInfo.getInstance().getProductName()),
+      GradleColorKeys.GRADLE_INTELLIJ_LOCAL_CHANGE,
+      ColorDescriptor.Kind.FOREGROUND
+    ),
+    new ColorDescriptor(
+      GradleBundle.message("gradle.sync.change.type.conflict"),
+      GradleColorKeys.GRADLE_CHANGE_CONFLICT,
+      ColorDescriptor.Kind.FOREGROUND
+    ),
+    new ColorDescriptor(
+      GradleBundle.message("gradle.sync.change.type.confirmed"),
+      GradleColorKeys.GRADLE_CONFIRMED_CONFLICT,
+      ColorDescriptor.Kind.FOREGROUND
+    )
+  };
+  
+  @NotNull
+  @Override
+  public String getDisplayName() {
+    return GradleBundle.message("gradle.name");
+  }
+
+  @Override
+  public Icon getIcon() {
+    return GradleIcons.GRADLE_ICON;
+  }
+
+  @NotNull
+  @Override
+  public AttributesDescriptor[] getAttributeDescriptors() {
+    return new AttributesDescriptor[0];
+  }
+
+  @NotNull
+  @Override
+  public ColorDescriptor[] getColorDescriptors() {
+    return DESCRIPTORS;
+  }
+
+  @NotNull
+  @Override
+  public SyntaxHighlighter getHighlighter() {
+    return new PlainSyntaxHighlighter();
+  }
+
+  @NotNull
+  @Override
+  public String getDemoText() {
+    return "";
+  }
+
+  @Override
+  public Map<String, TextAttributesKey> getAdditionalHighlightingTagToDescriptorMap() {
+    return null;
+  }
+}