Java tutorial
/* * Copyright 2000-2009 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 org.intellij.plugins.intelliLang.inject; import com.intellij.lang.Language; import com.intellij.lang.injection.MultiHostRegistrar; import com.intellij.openapi.actionSystem.AnAction; import com.intellij.openapi.actionSystem.AnActionEvent; import com.intellij.openapi.fileTypes.FileTypeManager; import com.intellij.openapi.options.Configurable; import com.intellij.openapi.project.Project; import com.intellij.openapi.ui.DialogBuilder; import com.intellij.openapi.ui.DialogWrapper; import com.intellij.openapi.ui.Messages; import com.intellij.openapi.util.Factory; import com.intellij.openapi.util.Ref; import com.intellij.openapi.util.text.StringUtil; import com.intellij.psi.PsiElement; import com.intellij.psi.PsiLanguageInjectionHost; import com.intellij.ui.SimpleColoredText; import com.intellij.ui.SimpleTextAttributes; import com.intellij.util.Consumer; import org.intellij.plugins.intelliLang.Configuration; import org.intellij.plugins.intelliLang.inject.config.BaseInjection; import org.intellij.plugins.intelliLang.inject.config.ui.BaseInjectionPanel; import org.jdom.Element; import org.jetbrains.annotations.NotNull; import org.jetbrains.annotations.Nullable; import javax.swing.*; /** * @author Gregory.Shrago */ public abstract class AbstractLanguageInjectionSupport extends LanguageInjectionSupport { @Override public boolean isApplicableTo(PsiLanguageInjectionHost host) { return false; } public boolean useDefaultInjector(final PsiLanguageInjectionHost host) { return false; } @Nullable @Override public BaseInjection findCommentInjection(@NotNull PsiElement host, @Nullable Ref<PsiElement> commentRef) { return InjectorUtils.findCommentInjection(host, "comment", commentRef); } public void getLanguagesToInject(@NotNull MultiHostRegistrar registrar, @NotNull PsiElement context) { } public boolean addInjectionInPlace(final Language language, final PsiLanguageInjectionHost psiElement) { return false; } public boolean removeInjectionInPlace(final PsiLanguageInjectionHost psiElement) { return false; } public boolean editInjectionInPlace(final PsiLanguageInjectionHost psiElement) { return false; } public BaseInjection createInjection(final Element element) { return new BaseInjection(getId()); } public void setupPresentation(final BaseInjection injection, final SimpleColoredText presentation, final boolean isSelected) { presentation.append(injection.getDisplayName(), SimpleTextAttributes.REGULAR_ATTRIBUTES); } public Configurable[] createSettings(final Project project, final Configuration configuration) { return new Configurable[0]; } public AnAction[] createAddActions(final Project project, final Consumer<BaseInjection> consumer) { return new AnAction[] { createDefaultAddAction(project, consumer, this) }; } public AnAction createEditAction(final Project project, final Factory<BaseInjection> producer) { return createDefaultEditAction(project, producer); } public static AnAction createDefaultEditAction(final Project project, final Factory<BaseInjection> producer) { return new AnAction() { @Override public void actionPerformed(AnActionEvent e) { final BaseInjection originalInjection = producer.create(); final BaseInjection newInjection = showDefaultInjectionUI(project, originalInjection.copy()); if (newInjection != null) { originalInjection.copyFrom(newInjection); } } }; } public static AnAction createDefaultAddAction(final Project project, final Consumer<BaseInjection> consumer, final AbstractLanguageInjectionSupport support) { Icon icon = FileTypeManager.getInstance().getFileTypeByExtension(support.getId()).getIcon(); return new AnAction("Generic " + StringUtil.capitalize(support.getId()), null, icon) { @Override public void actionPerformed(AnActionEvent e) { final BaseInjection injection = new BaseInjection(support.getId()); injection.setDisplayName("New " + StringUtil.capitalize(support.getId()) + " Injection"); final BaseInjection newInjection = showDefaultInjectionUI(project, injection); if (newInjection != null) { consumer.consume(injection); } } }; } @Nullable protected static BaseInjection showDefaultInjectionUI(final Project project, BaseInjection injection) { final BaseInjectionPanel panel = new BaseInjectionPanel(injection, project); panel.reset(); final DialogBuilder builder = new DialogBuilder(project); LanguageInjectionSupport support = InjectorUtils.findInjectionSupport(injection.getSupportId()); if (support != null && support instanceof AbstractLanguageInjectionSupport) { builder.setHelpId(((AbstractLanguageInjectionSupport) support).getHelpId()); } builder.addOkAction(); builder.addCancelAction(); builder.setDimensionServiceKey("#org.intellij.plugins.intelliLang.inject.config.ui.BaseInjectionDialog"); builder.setCenterPanel(panel.getComponent()); builder.setTitle(EditInjectionSettingsAction.EDIT_INJECTION_TITLE); builder.setOkOperation(new Runnable() { public void run() { try { panel.apply(); builder.getDialogWrapper().close(DialogWrapper.OK_EXIT_CODE); } catch (Exception e) { final Throwable cause = e.getCause(); final String message = e.getMessage() + (cause != null ? "\n " + cause.getMessage() : ""); Messages.showErrorDialog(project, message, "Unable to Save"); } } }); if (builder.show() == DialogWrapper.OK_EXIT_CODE) { return injection; } return null; } @Override public int hashCode() { return getId().hashCode(); } @Override public boolean equals(Object obj) { return obj instanceof LanguageInjectionSupport && getId().equals(((LanguageInjectionSupport) obj).getId()); } @Nullable public String getHelpId() { return null; } }