| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * 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.android.tools.idea.templates; |
| |
| import com.android.utils.SdkUtils; |
| import freemarker.template.*; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.List; |
| |
| import static com.android.tools.idea.templates.FmUtil.stripSuffix; |
| import static com.android.tools.idea.wizard.template.TemplateWizardState.ACTIVITY_NAME_SUFFIX; |
| import static com.android.tools.idea.wizard.template.TemplateWizardState.LAYOUT_NAME_PREFIX; |
| |
| /** |
| * Method invoked by FreeMarker to convert an Activity class name into |
| * a suitable layout name. |
| */ |
| public class FmActivityToLayoutMethod implements TemplateMethodModelEx { |
| @Override |
| public TemplateModel exec(List args) throws TemplateModelException { |
| if (args.size() != 1) { |
| throw new TemplateModelException("Wrong arguments"); |
| } |
| |
| String activityName = ((TemplateScalarModel)args.get(0)).getAsString(); |
| |
| if (activityName.isEmpty()) { |
| return new SimpleScalar(""); |
| } |
| |
| activityName = stripActivitySuffix(activityName); |
| |
| // Convert CamelCase convention used in activity class names to underlined convention |
| // used in layout name: |
| String name = LAYOUT_NAME_PREFIX + TemplateUtils.camelCaseToUnderlines(activityName); |
| |
| return new SimpleScalar(name); |
| } |
| |
| private static String stripActivitySuffix(@NotNull String activityName) { |
| // Does the name end with Activity<Number> ? If so, we don't want to |
| // for example turn "MainActivity2" into "activity_main_activity2" |
| int lastCharIndex = activityName.length() - 1; |
| if (Character.isDigit(activityName.charAt(lastCharIndex))) { |
| for (int i = lastCharIndex - 1; i > 0; i--) { |
| if (!Character.isDigit(activityName.charAt(i))) { |
| i++; |
| if (SdkUtils.endsWith(activityName, i, ACTIVITY_NAME_SUFFIX)) { |
| return activityName.substring(0, i - ACTIVITY_NAME_SUFFIX.length()) + activityName.substring(i); |
| } |
| break; |
| } |
| } |
| } |
| |
| return stripSuffix(activityName, ACTIVITY_NAME_SUFFIX, true /* recursive strip */); |
| } |
| } |