| /* |
| * Copyright 2000-2011 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.psi.codeStyle; |
| |
| import com.intellij.lang.ASTNode; |
| import com.intellij.openapi.components.ServiceManager; |
| import com.intellij.openapi.editor.Document; |
| import com.intellij.openapi.fileTypes.FileType; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.Computable; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.PsiManager; |
| import com.intellij.util.IncorrectOperationException; |
| import com.intellij.util.ThrowableRunnable; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.Collection; |
| |
| /** |
| * Service for reformatting code fragments, getting names for elements |
| * according to the user's code style and working with import statements and full-qualified names. |
| */ |
| public abstract class CodeStyleManager { |
| /** |
| * Returns the code style manager for the specified project. |
| * |
| * @param project the project to get the code style manager for. |
| * @return the code style manager instance. |
| */ |
| public static CodeStyleManager getInstance(@NotNull Project project) { |
| return ServiceManager.getService(project, CodeStyleManager.class); |
| } |
| |
| /** |
| * Returns the code style manager for the project associated with the specified |
| * PSI manager. |
| * |
| * @param manager the PSI manager to get the code style manager for. |
| * @return the code style manager instance. |
| */ |
| public static CodeStyleManager getInstance(@NotNull PsiManager manager) { |
| return getInstance(manager.getProject()); |
| } |
| |
| /** |
| * Gets the project with which the code style manager is associated. |
| * |
| * @return the project instance. |
| */ |
| @NotNull public abstract Project getProject(); |
| |
| /** |
| * Reformats the contents of the specified PSI element, enforces braces and splits import |
| * statements according to the user's code style. |
| * |
| * @param element the element to reformat. |
| * @return the element in the PSI tree after the reformat operation corresponding to the |
| * original element. |
| * @throws IncorrectOperationException if the file to reformat is read-only. |
| * @see #reformatText(com.intellij.psi.PsiFile, int, int) |
| */ |
| @NotNull public abstract PsiElement reformat(@NotNull PsiElement element) throws IncorrectOperationException; |
| |
| /** |
| * Reformats the contents of the specified PSI element, and optionally enforces braces |
| * and splits import statements according to the user's code style. |
| * |
| * @param element the element to reformat. |
| * @param canChangeWhiteSpacesOnly if true, only reformatting is performed; if false, |
| * braces and import statements also can be modified if necessary. |
| * @return the element in the PSI tree after the reformat operation corresponding to the |
| * original element. |
| * @throws IncorrectOperationException if the file to reformat is read-only. |
| * @see #reformatText(com.intellij.psi.PsiFile, int, int) |
| */ |
| @NotNull public abstract PsiElement reformat(@NotNull PsiElement element, boolean canChangeWhiteSpacesOnly) throws IncorrectOperationException; |
| |
| /** |
| * Reformats part of the contents of the specified PSI element, enforces braces |
| * and splits import statements according to the user's code style. |
| * |
| * @param element the element to reformat. |
| * @param startOffset the start offset in the document of the text range to reformat. |
| * @param endOffset the end offset in the document of the text range to reformat. |
| * @return the element in the PSI tree after the reformat operation corresponding to the |
| * original element. |
| * @throws IncorrectOperationException if the file to reformat is read-only. |
| * @see #reformatText(com.intellij.psi.PsiFile, int, int) |
| */ |
| public abstract PsiElement reformatRange(@NotNull PsiElement element, int startOffset, int endOffset) throws IncorrectOperationException; |
| |
| /** |
| * Reformats part of the contents of the specified PSI element, and optionally enforces braces |
| * and splits import statements according to the user's code style. |
| * |
| * @param element the element to reformat. |
| * @param startOffset the start offset in the document of the text range to reformat. |
| * @param endOffset the end offset in the document of the text range to reformat. |
| * @param canChangeWhiteSpacesOnly if true, only reformatting is performed; if false, |
| * braces and import statements also can be modified if necessary. |
| * @return the element in the PSI tree after the reformat operation corresponding to the |
| * original element. |
| * @throws IncorrectOperationException if the file to reformat is read-only. |
| * @see #reformatText(com.intellij.psi.PsiFile, int, int) |
| */ |
| public abstract PsiElement reformatRange(@NotNull PsiElement element, |
| int startOffset, |
| int endOffset, |
| boolean canChangeWhiteSpacesOnly) throws IncorrectOperationException; |
| |
| /** |
| * Delegates to the {@link #reformatText(PsiFile, Collection)} with the single range defined by the given offsets. |
| * |
| * @param file the file to reformat. |
| * @param startOffset the start of the text range to reformat. |
| * @param endOffset the end of the text range to reformat. |
| * @throws IncorrectOperationException if the file to reformat is read-only. |
| */ |
| public abstract void reformatText(@NotNull PsiFile file, int startOffset, int endOffset) throws IncorrectOperationException; |
| |
| /** |
| * Re-formats a ranges of text in the specified file. This method works faster than |
| * {@link #reformatRange(com.intellij.psi.PsiElement, int, int)} but invalidates the |
| * PSI structure for the file. |
| * |
| * @param file the file to reformat |
| * @param ranges ranges to process |
| * @throws IncorrectOperationException if the file to reformat is read-only. |
| */ |
| public abstract void reformatText(@NotNull PsiFile file, @NotNull Collection<TextRange> ranges) throws IncorrectOperationException; |
| |
| /** |
| * Re-formats the specified range of a file, modifying only line indents and leaving |
| * all other whitespace intact. |
| * |
| * @param file the file to reformat. |
| * @param rangeToAdjust the range of text in which indents should be reformatted. |
| * @throws IncorrectOperationException if the file is read-only. |
| */ |
| public abstract void adjustLineIndent(@NotNull PsiFile file, TextRange rangeToAdjust) throws IncorrectOperationException; |
| |
| /** |
| * Reformats the line at the specified offset in the specified file, modifying only the line indent |
| * and leaving all other whitespace intact. |
| * |
| * @param file the file to reformat. |
| * @param offset the offset the line at which should be reformatted. |
| * @throws IncorrectOperationException if the file is read-only. |
| */ |
| public abstract int adjustLineIndent(@NotNull PsiFile file, int offset) throws IncorrectOperationException; |
| |
| /** |
| * Reformats the line at the specified offset in the specified file, modifying only the line indent |
| * and leaving all other whitespace intact. |
| * |
| * @param document the document to reformat. |
| * @param offset the offset the line at which should be reformatted. |
| * @throws IncorrectOperationException if the file is read-only. |
| */ |
| public abstract int adjustLineIndent(@NotNull Document document, int offset); |
| |
| /** |
| * @deprecated this method is not intended to be used by plugins. |
| */ |
| public abstract boolean isLineToBeIndented(@NotNull PsiFile file, int offset); |
| |
| /** |
| * Calculates the indent that should be used for the specified line in |
| * the specified file. |
| * |
| * @param file the file for which the indent should be calculated. |
| * @param offset the offset for the line at which the indent should be calculated. |
| * @return the indent string (containing of tabs and/or whitespaces), or null if it |
| * was not possible to calculate the indent. |
| */ |
| @Nullable |
| public abstract String getLineIndent(@NotNull PsiFile file, int offset); |
| |
| /** |
| * Calculates the indent that should be used for the current line in the specified |
| * editor. |
| * |
| * @param document for which the indent should be calculated. |
| * @return the indent string (containing of tabs and/or whitespaces), or null if it |
| * was not possible to calculate the indent. |
| */ |
| @Nullable |
| public abstract String getLineIndent(@NotNull Document document, int offset); |
| |
| /** |
| * @deprecated |
| */ |
| public abstract Indent getIndent(String text, FileType fileType); |
| |
| /** |
| * @deprecated |
| */ |
| public abstract String fillIndent(Indent indent, FileType fileType); |
| |
| /** |
| * @deprecated |
| */ |
| public abstract Indent zeroIndent(); |
| |
| /** |
| * Reformats line indents inside new element and reformats white spaces around it |
| * @param block - added element parent |
| * @param addedElement - new element |
| * @throws IncorrectOperationException if the operation fails for some reason (for example, |
| * the file is read-only). |
| */ |
| public abstract void reformatNewlyAddedElement(@NotNull final ASTNode block, @NotNull final ASTNode addedElement) throws IncorrectOperationException; |
| |
| /** |
| * Formatting may be executed sequentially, i.e. the whole (re)formatting task is split into a number of smaller sub-tasks |
| * that are executed sequentially. That is done primarily for ability to show progress dialog during formatting (formatting |
| * is always performed from EDT, hence, the GUI freezes if we perform formatting as a single big iteration). |
| * <p/> |
| * However, there are situation when we don't want to use such an approach - for example, IntelliJ IDEA sometimes inserts dummy |
| * text into file in order to calculate formatting-specific data and removes it after that. We don't want to allow Swing events |
| * dispatching during that in order to not show that dummy text to the end-user. |
| * <p/> |
| * It's possible to configure that (implementation details are insignificant here) and current method serves as a read-only |
| * facade for obtaining information if 'sequential' processing is allowed at the moment. |
| * |
| * @return <code>true</code> if 'sequential' formatting is allowed now; <code>false</code> otherwise |
| */ |
| public abstract boolean isSequentialProcessingAllowed(); |
| |
| /** |
| * Disables automatic formatting of modified PSI elements, runs the specified operation |
| * and re-enables the formatting. Can be used to improve performance of PSI write |
| * operations. |
| * |
| * @param r the operation to run. |
| */ |
| public abstract void performActionWithFormatterDisabled(Runnable r); |
| |
| public abstract <T extends Throwable> void performActionWithFormatterDisabled(ThrowableRunnable<T> r) throws T; |
| |
| public abstract <T> T performActionWithFormatterDisabled(Computable<T> r); |
| } |