| /* |
| * Copyright 2000-2014 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.codeInsight.template.impl; |
| |
| import com.intellij.codeInsight.template.TemplateContextType; |
| import com.intellij.ide.DataManager; |
| import com.intellij.lexer.Lexer; |
| import com.intellij.lexer.MergingLexerAdapter; |
| import com.intellij.openapi.actionSystem.CommonDataKeys; |
| import com.intellij.openapi.editor.Document; |
| 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.colors.EditorColorsManager; |
| import com.intellij.openapi.editor.colors.EditorColorsScheme; |
| import com.intellij.openapi.editor.colors.TextAttributesKey; |
| import com.intellij.openapi.editor.ex.EditorEx; |
| import com.intellij.openapi.editor.ex.util.LayerDescriptor; |
| import com.intellij.openapi.editor.ex.util.LayeredLexerEditorHighlighter; |
| import com.intellij.openapi.editor.highlighter.EditorHighlighter; |
| import com.intellij.openapi.editor.highlighter.EditorHighlighterFactory; |
| import com.intellij.openapi.fileEditor.FileDocumentManager; |
| import com.intellij.openapi.fileTypes.PlainSyntaxHighlighter; |
| import com.intellij.openapi.fileTypes.SyntaxHighlighter; |
| import com.intellij.openapi.fileTypes.SyntaxHighlighterBase; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.psi.tree.IElementType; |
| import com.intellij.psi.tree.TokenSet; |
| import com.intellij.util.ObjectUtils; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| public class TemplateEditorUtil { |
| private TemplateEditorUtil() {} |
| |
| public static Editor createEditor(boolean isReadOnly, CharSequence text) { |
| return createEditor(isReadOnly, text, null); |
| } |
| |
| public static Editor createEditor(boolean isReadOnly, CharSequence text, @Nullable TemplateContext context) { |
| final Project project = CommonDataKeys.PROJECT.getData(DataManager.getInstance().getDataContext()); |
| return createEditor(isReadOnly, createDocument(text, context, project), project); |
| } |
| |
| private static Document createDocument(CharSequence text, @Nullable TemplateContext context, Project project) { |
| if (context != null) { |
| for (TemplateContextType type : TemplateManagerImpl.getAllContextTypes()) { |
| if (context.isExplicitlyEnabled(type)) { |
| return type.createDocument(text, project); |
| } |
| } |
| } |
| |
| return EditorFactory.getInstance().createDocument(text); |
| } |
| |
| private static Editor createEditor(boolean isReadOnly, final Document document, final Project project) { |
| EditorFactory editorFactory = EditorFactory.getInstance(); |
| Editor editor = (isReadOnly ? editorFactory.createViewer(document, project) : editorFactory.createEditor(document, project)); |
| |
| EditorSettings editorSettings = editor.getSettings(); |
| editorSettings.setVirtualSpace(false); |
| editorSettings.setLineMarkerAreaShown(false); |
| editorSettings.setIndentGuidesShown(false); |
| editorSettings.setLineNumbersShown(false); |
| editorSettings.setFoldingOutlineShown(false); |
| |
| EditorColorsScheme scheme = editor.getColorsScheme(); |
| scheme.setColor(EditorColors.CARET_ROW_COLOR, null); |
| |
| VirtualFile file = FileDocumentManager.getInstance().getFile(document); |
| if (file != null) { |
| EditorHighlighter highlighter = EditorHighlighterFactory.getInstance().createEditorHighlighter(file, scheme, project); |
| ((EditorEx) editor).setHighlighter(highlighter); |
| |
| } |
| |
| return editor; |
| } |
| |
| public static void setHighlighter(Editor editor, @Nullable TemplateContext templateContext) { |
| SyntaxHighlighter highlighter = null; |
| if (templateContext != null) { |
| for(TemplateContextType type: TemplateManagerImpl.getAllContextTypes()) { |
| if (templateContext.isEnabled(type)) { |
| highlighter = type.createHighlighter(); |
| if (highlighter != null) break; |
| } |
| } |
| } |
| setHighlighter((EditorEx)editor, highlighter); |
| } |
| |
| public static void setHighlighter(@NotNull Editor editor, @Nullable TemplateContextType templateContextType) { |
| setHighlighter((EditorEx)editor, templateContextType != null ? templateContextType.createHighlighter() : null); |
| } |
| |
| private static void setHighlighter(EditorEx editor, @Nullable SyntaxHighlighter highlighter) { |
| EditorColorsScheme editorColorsScheme = EditorColorsManager.getInstance().getGlobalScheme(); |
| LayeredLexerEditorHighlighter layeredHighlighter = new LayeredLexerEditorHighlighter(new TemplateHighlighter(), editorColorsScheme); |
| layeredHighlighter.registerLayer(TemplateTokenType.TEXT, new LayerDescriptor(ObjectUtils.notNull(highlighter, new PlainSyntaxHighlighter()), "")); |
| editor.setHighlighter(layeredHighlighter); |
| } |
| |
| private static class TemplateHighlighter extends SyntaxHighlighterBase { |
| private final Lexer myLexer; |
| |
| public TemplateHighlighter() { |
| myLexer = new MergingLexerAdapter(new TemplateTextLexer(), TokenSet.create(TemplateTokenType.TEXT)); |
| } |
| |
| @Override |
| @NotNull |
| public Lexer getHighlightingLexer() { |
| return myLexer; |
| } |
| |
| @Override |
| @NotNull |
| public TextAttributesKey[] getTokenHighlights(IElementType tokenType) { |
| return tokenType == TemplateTokenType.VARIABLE ? pack(TemplateColors.TEMPLATE_VARIABLE_ATTRIBUTES) : EMPTY; |
| } |
| } |
| } |