com.intellij.execution.MethodBrowser.java Source code

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Here is the source code for com.intellij.execution.MethodBrowser.java

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/*
 * Copyright 2000-2015 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.execution;

import com.intellij.codeInsight.completion.CompletionResultSet;
import com.intellij.codeInsight.lookup.LookupElementBuilder;
import com.intellij.execution.configuration.BrowseModuleValueActionListener;
import com.intellij.execution.junit.JUnitUtil;
import com.intellij.execution.ui.ConfigurationModuleSelector;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.util.Condition;
import com.intellij.psi.PsiClass;
import com.intellij.psi.PsiMethod;
import com.intellij.ui.EditorTextField;
import com.intellij.util.TextFieldCompletionProvider;
import org.jetbrains.annotations.NotNull;

public abstract class MethodBrowser extends BrowseModuleValueActionListener {

    public MethodBrowser(final Project project) {
        super(project);
    }

    protected abstract String getClassName();

    protected abstract ConfigurationModuleSelector getModuleSelector();

    protected abstract Condition<PsiMethod> getFilter(PsiClass testClass);

    protected String showDialog() {
        final String className = getClassName();
        if (className.trim().length() == 0) {
            Messages.showMessageDialog(getField(), ExecutionBundle.message("set.class.name.message"),
                    ExecutionBundle.message("cannot.browse.method.dialog.title"), Messages.getInformationIcon());
            return null;
        }
        final PsiClass testClass = getModuleSelector().findClass(className);
        if (testClass == null) {
            Messages.showMessageDialog(getField(),
                    ExecutionBundle.message("class.does.not.exists.error.message", className),
                    ExecutionBundle.message("cannot.browse.method.dialog.title"), Messages.getInformationIcon());
            return null;
        }
        final MethodListDlg dlg = new MethodListDlg(testClass, getFilter(testClass), getField());
        if (dlg.showAndGet()) {
            final PsiMethod method = dlg.getSelected();
            if (method != null) {
                return method.getName();
            }
        }
        return null;
    }

    public void installCompletion(EditorTextField field) {
        new TextFieldCompletionProvider() {
            @Override
            protected void addCompletionVariants(@NotNull String text, int offset, @NotNull String prefix,
                    @NotNull CompletionResultSet result) {
                final String className = getClassName();
                if (className.trim().length() == 0) {
                    return;
                }
                final PsiClass testClass = getModuleSelector().findClass(className);
                if (testClass == null)
                    return;
                final Condition<PsiMethod> filter = getFilter(testClass);
                for (PsiMethod psiMethod : testClass.getAllMethods()) {
                    if (filter.value(psiMethod)) {
                        result.addElement(LookupElementBuilder.create(psiMethod.getName()));
                    }
                }
            }
        }.apply(field);
    }

}