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/*
* Copyright 2000-2013 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.xml.util;
import com.intellij.codeInsight.completion.InsertHandler;
import com.intellij.codeInsight.completion.InsertionContext;
import com.intellij.codeInsight.completion.PrioritizedLookupElement;
import com.intellij.codeInsight.lookup.LookupElement;
import com.intellij.codeInsight.lookup.LookupElementBuilder;
import com.intellij.codeInsight.lookup.LookupElementDecorator;
import com.intellij.codeInsight.lookup.LookupValueWithPriority;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.wm.WindowManager;
import com.intellij.psi.PsiElement;
import com.intellij.psi.xml.XmlToken;
import com.intellij.ui.ColorChooser;
import com.intellij.ui.ColorPickerListener;
import com.intellij.ui.ColorPickerListenerFactory;
import com.intellij.ui.ColorUtil;
import com.intellij.util.Function;
import com.intellij.xml.XmlBundle;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.awt.*;
/**
* @author maxim
*/
public class UserColorLookup extends LookupElementDecorator<LookupElement> {
private static final String COLOR_STRING = XmlBundle.message("choose.color.in.color.lookup");
private static final Function<Color,String> COLOR_TO_STRING_CONVERTER = new Function<Color, String>() {
@Override
public String fun(Color color) {
return '#' + ColorUtil.toHex(color);
}
};
public UserColorLookup() {
this(COLOR_TO_STRING_CONVERTER);
}
public UserColorLookup(final Function<Color, String> colorToStringConverter) {
this(colorToStringConverter, LookupValueWithPriority.HIGH);
}
public UserColorLookup(final Function<Color, String> colorToStringConverter, int priority) {
super(PrioritizedLookupElement.withPriority(LookupElementBuilder.create(COLOR_STRING).withInsertHandler(
new InsertHandler<LookupElement>() {
@Override
public void handleInsert(InsertionContext context, LookupElement item) {
handleUserSelection(context, colorToStringConverter);
}
}), priority));
}
private static void handleUserSelection(InsertionContext context, @NotNull Function<Color, String> colorToStringConverter) {
Color myColorAtCaret = null;
Editor selectedTextEditor = context.getEditor();
PsiElement element = context.getFile().findElementAt(selectedTextEditor.getCaretModel().getOffset());
if (element instanceof XmlToken) {
myColorAtCaret = getColorFromElement(element);
}
context.getDocument().deleteString(context.getStartOffset(), context.getTailOffset());
ColorPickerListener[] listeners = ColorPickerListenerFactory.createListenersFor(element);
Color color = ColorChooser.chooseColor(WindowManager.getInstance().suggestParentWindow(context.getProject()),
XmlBundle.message("choose.color.dialog.title"), myColorAtCaret, true, listeners, true);
if (color != null) {
String colorString = colorToStringConverter.fun(color);
context.getDocument().insertString(context.getStartOffset(), colorString);
context.getEditor().getCaretModel().moveToOffset(context.getTailOffset());
}
}
@Nullable
public static Color getColorFromElement(final PsiElement element) {
if (!(element instanceof XmlToken)) return null;
return ColorMap.getColor(element.getText());
}
}
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