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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/org/documents/epl-v10.php
*
* 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.ide.eclipse.adt.internal.wizards.templates;
import static com.android.ide.eclipse.adt.internal.wizards.templates.NewProjectWizard.ATTR_BUILD_API;
import static com.android.ide.eclipse.adt.internal.wizards.templates.NewProjectWizard.ATTR_COPY_ICONS;
import static com.android.ide.eclipse.adt.internal.wizards.templates.NewProjectWizard.ATTR_MIN_API;
import static com.android.ide.eclipse.adt.internal.wizards.templates.NewProjectWizard.ATTR_MIN_API_LEVEL;
import static com.android.ide.eclipse.adt.internal.wizards.templates.NewProjectWizard.ATTR_PACKAGE_NAME;
import static com.android.ide.eclipse.adt.internal.wizards.templates.NewProjectWizard.ATTR_TARGET_API;
import static com.android.ide.eclipse.adt.internal.wizards.templates.NewProjectWizard.IS_LIBRARY_PROJECT;
import static com.android.ide.eclipse.adt.internal.wizards.templates.NewProjectWizard.IS_NEW_PROJECT;
import static com.android.ide.eclipse.adt.internal.wizards.templates.NewTemplateWizard.BLANK_ACTIVITY;
import com.android.annotations.NonNull;
import com.android.annotations.Nullable;
import com.android.ide.eclipse.adt.internal.assetstudio.ConfigureAssetSetPage;
import com.android.ide.eclipse.adt.internal.assetstudio.CreateAssetSetWizardState;
import com.android.ide.eclipse.adt.internal.editors.manifest.ManifestInfo;
import com.android.ide.eclipse.adt.internal.sdk.ProjectState;
import com.android.ide.eclipse.adt.internal.sdk.Sdk;
import com.android.sdklib.IAndroidTarget;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.ltk.core.refactoring.Change;
import org.eclipse.ltk.core.refactoring.NullChange;
import java.io.File;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* Value object which holds the current state of the wizard pages for the
* {@link NewTemplateWizard}
*/
public class NewTemplateWizardState {
/** Template handler responsible for instantiating templates and reading resources */
private TemplateHandler mTemplateHandler;
/** Configured parameters, by id */
public final Map<String, Object> parameters = new HashMap<String, Object>();
/** Configured defaults for the parameters, by id */
public final Map<String, String> defaults = new HashMap<String, String>();
/** Ids for parameters which should be hidden (because the client wizard already
* has information for these parameters) */
public final Set<String> hidden = new HashSet<String>();
/**
* The chosen project (which may be null if the wizard page is being
* embedded in the new project wizard)
*/
public IProject project;
/** The minimum API level to use for this template */
public int minSdkLevel;
/** Location of the template being created */
private File mTemplateLocation;
/**
* State for the asset studio wizard, used to create custom icons provided
* the icon requests it with an {@code <icons>} element
*/
private CreateAssetSetWizardState mIconState;
/**
* Create a new state object for use by the {@link NewTemplatePage}
*/
public NewTemplateWizardState() {
parameters.put(IS_NEW_PROJECT, false);
}
@NonNull
TemplateHandler getTemplateHandler() {
if (mTemplateHandler == null) {
File inputPath;
if (mTemplateLocation != null) {
inputPath = mTemplateLocation;
} else {
// Default
inputPath = TemplateManager.getTemplateLocation(BLANK_ACTIVITY);
}
mTemplateHandler = TemplateHandler.createFromPath(inputPath);
}
return mTemplateHandler;
}
/** Sets the current template */
void setTemplateLocation(File file) {
if (!file.equals(mTemplateLocation)) {
mTemplateLocation = file;
mTemplateHandler = null;
}
}
/** Returns the current template */
File getTemplateLocation() {
return mTemplateLocation;
}
/** Returns the min SDK version to use */
int getMinSdk() {
if (project == null) {
return -1;
}
ManifestInfo manifest = ManifestInfo.get(project);
return manifest.getMinSdkVersion();
}
/** Returns the build API version to use */
int getBuildApi() {
if (project == null) {
return -1;
}
IAndroidTarget target = Sdk.getCurrent().getTarget(project);
if (target != null) {
return target.getVersion().getApiLevel();
}
return getMinSdk();
}
/** Computes the changes this wizard will make */
@NonNull
List<Change> computeChanges() {
if (project == null) {
return Collections.emptyList();
}
ManifestInfo manifest = ManifestInfo.get(project);
parameters.put(ATTR_PACKAGE_NAME, manifest.getPackage());
parameters.put(ATTR_MIN_API, manifest.getMinSdkName());
parameters.put(ATTR_MIN_API_LEVEL, manifest.getMinSdkVersion());
parameters.put(ATTR_TARGET_API, manifest.getTargetSdkVersion());
parameters.put(ATTR_BUILD_API, getBuildApi());
parameters.put(ATTR_COPY_ICONS, mIconState == null);
ProjectState projectState = Sdk.getProjectState(project);
parameters.put(IS_LIBRARY_PROJECT,
projectState != null ? projectState.isLibrary() : false);
TemplateHandler.addDirectoryParameters(parameters, project);
List<Change> changes = getTemplateHandler().render(project, parameters);
if (mIconState != null) {
String title = String.format("Generate icons (res/drawable-<density>/%1$s.png)",
mIconState.outputName);
changes.add(new NullChange(title) {
@Override
public Change perform(IProgressMonitor pm) throws CoreException {
ConfigureAssetSetPage.generateIcons(mIconState.project,
mIconState, false, null);
// Not undoable: just return null instead of an undo-change.
return null;
}
});
}
return changes;
}
@NonNull
CreateAssetSetWizardState getIconState() {
if (mIconState == null) {
TemplateHandler handler = getTemplateHandler();
if (handler != null) {
TemplateMetadata template = handler.getTemplate();
if (template != null) {
mIconState = template.getIconState(project);
}
}
}
return mIconState;
}
/**
* Updates the icon state, such as the output name, based on other parameter settings
* @param evaluator the string evaluator, or null if none exists
*/
public void updateIconState(@Nullable StringEvaluator evaluator) {
TemplateMetadata template = getTemplateHandler().getTemplate();
if (template != null) {
if (evaluator == null) {
evaluator = new StringEvaluator();
}
template.updateIconName(template.getParameters(), evaluator);
}
}
}
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