From c744cd36448579df0e04f9614c1c1dbebfa2152c Mon Sep 17 00:00:00 2001
From: Alexey Andreev <konsoletyper@gmail.com>
Date: Wed, 10 Feb 2016 00:00:53 +0300
Subject: [PATCH] Drafting TeaVM module settings dialog

---
 .idea/codeStyleSettings.xml                   |  17 ++-
 .../org/teavm/idea/TeaVMBuilderService.java   |   5 +-
 .../org/teavm/idea/TeaVMConfiguration.java    |  46 ++++++
 .../teavm/idea/TeaVMConfigurationStorage.java |  65 +++++++++
 .../org/teavm/idea/ui/TeaVMConfigurable.java  |  87 ++++++++++++
 .../idea/ui/TeaVMConfigurationPanel.java      | 132 ++++++++++++++++++
 .../src/main/resources/META-INF/plugin.xml    |  17 ++-
 7 files changed, 356 insertions(+), 13 deletions(-)
 create mode 100644 tools/idea/src/main/java/org/teavm/idea/TeaVMConfiguration.java
 create mode 100644 tools/idea/src/main/java/org/teavm/idea/TeaVMConfigurationStorage.java
 create mode 100644 tools/idea/src/main/java/org/teavm/idea/ui/TeaVMConfigurable.java
 create mode 100644 tools/idea/src/main/java/org/teavm/idea/ui/TeaVMConfigurationPanel.java

diff --git a/.idea/codeStyleSettings.xml b/.idea/codeStyleSettings.xml
index 149b8453c..f065a51e0 100644
--- a/.idea/codeStyleSettings.xml
+++ b/.idea/codeStyleSettings.xml
@@ -5,17 +5,21 @@
       <value>
         <option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="99" />
         <option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="99" />
+        <option name="PACKAGES_TO_USE_IMPORT_ON_DEMAND">
+          <value />
+        </option>
         <option name="IMPORT_LAYOUT_TABLE">
           <value>
-            <package name="javax" withSubpackages="true" static="false" />
-            <package name="java" withSubpackages="true" static="false" />
-            <package name="" withSubpackages="true" static="false" />
             <package name="" withSubpackages="true" static="true" />
+            <package name="" withSubpackages="true" static="false" />
           </value>
         </option>
         <JavaCodeStyleSettings>
           <option name="ANNOTATION_PARAMETER_WRAP" value="1" />
         </JavaCodeStyleSettings>
+        <XML>
+          <option name="XML_LEGACY_SETTINGS_IMPORTED" value="true" />
+        </XML>
         <codeStyleSettings language="JAVA">
           <option name="KEEP_BLANK_LINES_IN_DECLARATIONS" value="1" />
           <option name="KEEP_BLANK_LINES_IN_CODE" value="1" />
@@ -264,6 +268,13 @@
             </rules>
           </arrangement>
         </codeStyleSettings>
+        <codeStyleSettings language="XML">
+          <indentOptions>
+            <option name="INDENT_SIZE" value="2" />
+            <option name="CONTINUATION_INDENT_SIZE" value="4" />
+            <option name="TAB_SIZE" value="2" />
+          </indentOptions>
+        </codeStyleSettings>
       </value>
     </option>
     <option name="USE_PER_PROJECT_SETTINGS" value="true" />
diff --git a/tools/idea/src/main/java/org/teavm/idea/TeaVMBuilderService.java b/tools/idea/src/main/java/org/teavm/idea/TeaVMBuilderService.java
index d4e2f6e13..40b0f98f6 100644
--- a/tools/idea/src/main/java/org/teavm/idea/TeaVMBuilderService.java
+++ b/tools/idea/src/main/java/org/teavm/idea/TeaVMBuilderService.java
@@ -22,9 +22,12 @@ import org.jetbrains.jps.builders.BuildTargetType;
 import org.jetbrains.jps.incremental.BuilderCategory;
 import org.jetbrains.jps.incremental.BuilderService;
 import org.jetbrains.jps.incremental.ModuleLevelBuilder;
-import org.jetbrains.jps.incremental.TargetBuilder;
 
 public class TeaVMBuilderService extends BuilderService {
+    TeaVMBuilderService() {
+        System.out.println("Hello");
+    }
+
     @NotNull
     @Override
     public List<? extends BuildTargetType<?>> getTargetTypes() {
diff --git a/tools/idea/src/main/java/org/teavm/idea/TeaVMConfiguration.java b/tools/idea/src/main/java/org/teavm/idea/TeaVMConfiguration.java
new file mode 100644
index 000000000..e1e29720c
--- /dev/null
+++ b/tools/idea/src/main/java/org/teavm/idea/TeaVMConfiguration.java
@@ -0,0 +1,46 @@
+/*
+ *  Copyright 2016 Alexey Andreev.
+ *
+ *  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.teavm.idea;
+
+public class TeaVMConfiguration {
+    private boolean enabled;
+    private String mainClass;
+    private String targetDirectory;
+
+    public boolean isEnabled() {
+        return enabled;
+    }
+
+    public void setEnabled(boolean enabled) {
+        this.enabled = enabled;
+    }
+
+    public String getMainClass() {
+        return mainClass;
+    }
+
+    public void setMainClass(String mainClass) {
+        this.mainClass = mainClass;
+    }
+
+    public String getTargetDirectory() {
+        return targetDirectory;
+    }
+
+    public void setTargetDirectory(String targetDirectory) {
+        this.targetDirectory = targetDirectory;
+    }
+}
diff --git a/tools/idea/src/main/java/org/teavm/idea/TeaVMConfigurationStorage.java b/tools/idea/src/main/java/org/teavm/idea/TeaVMConfigurationStorage.java
new file mode 100644
index 000000000..922ae7745
--- /dev/null
+++ b/tools/idea/src/main/java/org/teavm/idea/TeaVMConfigurationStorage.java
@@ -0,0 +1,65 @@
+/*
+ *  Copyright 2016 Alexey Andreev.
+ *
+ *  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.teavm.idea;
+
+import com.intellij.openapi.components.PersistentStateComponent;
+import com.intellij.openapi.components.State;
+import com.intellij.openapi.components.Storage;
+import com.intellij.openapi.module.ModuleComponent;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+@State(name = "teavm", storages =  @Storage(id = "other", file = "$MODULE_FILE$"))
+public class TeaVMConfigurationStorage implements PersistentStateComponent<TeaVMConfiguration>, ModuleComponent {
+    private TeaVMConfiguration state;
+
+    @Nullable
+    @Override
+    public TeaVMConfiguration getState() {
+        return state;
+    }
+
+    @Override
+    public void loadState(TeaVMConfiguration state) {
+        this.state = state;
+    }
+
+    @Override
+    public void projectOpened() {
+    }
+
+    @Override
+    public void projectClosed() {
+    }
+
+    @Override
+    public void moduleAdded() {
+    }
+
+    @Override
+    public void initComponent() {
+    }
+
+    @Override
+    public void disposeComponent() {
+    }
+
+    @NotNull
+    @Override
+    public String getComponentName() {
+        return "TeaVM configuration";
+    }
+}
diff --git a/tools/idea/src/main/java/org/teavm/idea/ui/TeaVMConfigurable.java b/tools/idea/src/main/java/org/teavm/idea/ui/TeaVMConfigurable.java
new file mode 100644
index 000000000..96966576b
--- /dev/null
+++ b/tools/idea/src/main/java/org/teavm/idea/ui/TeaVMConfigurable.java
@@ -0,0 +1,87 @@
+/*
+ *  Copyright 2016 Alexey Andreev.
+ *
+ *  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.teavm.idea.ui;
+
+import com.intellij.openapi.module.Module;
+import com.intellij.openapi.module.ModuleServiceManager;
+import com.intellij.openapi.options.Configurable;
+import com.intellij.openapi.options.ConfigurationException;
+import javax.swing.JComponent;
+import org.jetbrains.annotations.Nls;
+import org.jetbrains.annotations.Nullable;
+import org.teavm.idea.TeaVMConfiguration;
+import org.teavm.idea.TeaVMConfigurationStorage;
+
+public class TeaVMConfigurable implements Configurable {
+    private final Module module;
+    private TeaVMConfigurationPanel panel;
+
+    public TeaVMConfigurable(Module module) {
+        this.module = module;
+    }
+
+    @Nls
+    @Override
+    public String getDisplayName() {
+        return "TeaVM";
+    }
+
+    @Nullable
+    @Override
+    public String getHelpTopic() {
+        return null;
+    }
+
+    @Nullable
+    @Override
+    public JComponent createComponent() {
+        if (panel == null) {
+            panel = new TeaVMConfigurationPanel();
+        }
+        return panel;
+    }
+
+    @Override
+    public boolean isModified() {
+        return panel != null && panel.isModified();
+    }
+
+    @Override
+    public void apply() throws ConfigurationException {
+        TeaVMConfiguration config = new TeaVMConfiguration();
+        panel.save(config);
+        TeaVMConfigurationStorage configStorage = ModuleServiceManager.getService(module,
+                TeaVMConfigurationStorage.class);
+        assert configStorage != null;
+        configStorage.loadState(config);
+    }
+
+    @Override
+    public void reset() {
+        if (panel == null) {
+            return;
+        }
+        TeaVMConfigurationStorage configStorage = ModuleServiceManager.getService(module,
+                TeaVMConfigurationStorage.class);
+        assert configStorage != null;
+        panel.load(configStorage.getState());
+    }
+
+    @Override
+    public void disposeUIResources() {
+        this.panel = null;
+    }
+}
diff --git a/tools/idea/src/main/java/org/teavm/idea/ui/TeaVMConfigurationPanel.java b/tools/idea/src/main/java/org/teavm/idea/ui/TeaVMConfigurationPanel.java
new file mode 100644
index 000000000..096677dba
--- /dev/null
+++ b/tools/idea/src/main/java/org/teavm/idea/ui/TeaVMConfigurationPanel.java
@@ -0,0 +1,132 @@
+/*
+ *  Copyright 2016 Alexey Andreev.
+ *
+ *  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.teavm.idea.ui;
+
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Objects;
+import java.util.function.BiConsumer;
+import java.util.function.Consumer;
+import java.util.function.Function;
+import java.util.function.Supplier;
+import javax.swing.JCheckBox;
+import javax.swing.JComponent;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JTextField;
+import org.teavm.idea.TeaVMConfiguration;
+
+class TeaVMConfigurationPanel extends JPanel {
+    private final JCheckBox enabledCheckBox = new JCheckBox("TeaVM enabled for this module");
+    private final JTextField mainClassField = new JTextField();
+    private final JTextField targetDirectoryField = new JTextField();
+    private final TeaVMConfiguration initialConfiguration = new TeaVMConfiguration();
+    private final List<JComponent> editComponents = Arrays.asList(mainClassField, targetDirectoryField);
+    private final List<Field<?>> fields = Arrays.asList(
+            new Field<>(TeaVMConfiguration::setEnabled, TeaVMConfiguration::isEnabled,
+                    enabledCheckBox::setSelected, enabledCheckBox::isSelected),
+            new Field<>(TeaVMConfiguration::setMainClass, TeaVMConfiguration::getMainClass,
+                    mainClassField::setText, mainClassField::getText),
+            new Field<>(TeaVMConfiguration::setTargetDirectory, TeaVMConfiguration::getTargetDirectory,
+                    targetDirectoryField::setText, targetDirectoryField::getText)
+    );
+
+    TeaVMConfigurationPanel() {
+        enabledCheckBox.addActionListener(event -> updateEnabledState());
+        setupLayout();
+    }
+
+    private void setupLayout() {
+        setLayout(new GridBagLayout());
+
+        GridBagConstraints constraints = new GridBagConstraints();
+        constraints.gridwidth = GridBagConstraints.REMAINDER;
+        add(enabledCheckBox, constraints);
+
+        constraints.gridwidth = GridBagConstraints.RELATIVE;
+        add(new JLabel("Main class:"), constraints);
+        constraints.gridwidth = GridBagConstraints.REMAINDER;
+        add(mainClassField, constraints);
+
+        constraints.gridwidth = GridBagConstraints.RELATIVE;
+        add(new JLabel("Target directory:"), constraints);
+        constraints.gridwidth = GridBagConstraints.REMAINDER;
+        add(targetDirectoryField, constraints);
+    }
+
+    public void load(TeaVMConfiguration config) {
+        if (config == null) {
+            config = new TeaVMConfiguration();
+        }
+        updateInitialConfiguration(config);
+        for (Field<?> field : fields) {
+            loadField(field, config);
+        }
+        updateEnabledState();
+    }
+
+    public void save(TeaVMConfiguration config) {
+        for (Field<?> field : fields) {
+            saveField(field, config);
+        }
+        updateInitialConfiguration(config);
+    }
+
+    private <T> void loadField(Field<T> field, TeaVMConfiguration config) {
+        field.editConsumer.accept(field.dataSupplier.apply(config));
+    }
+
+    private <T> void saveField(Field<T> field, TeaVMConfiguration config) {
+        field.dataConsumer.accept(config, field.editSupplier.get());
+    }
+
+    private void updateEnabledState() {
+        for (JComponent component : editComponents) {
+            component.setEnabled(enabledCheckBox.isSelected());
+        }
+    }
+
+    public boolean isModified() {
+        return fields.stream().anyMatch(this::isFieldModified);
+    }
+
+    private <T> boolean isFieldModified(Field<T> field) {
+        return !Objects.equals(field.dataSupplier.apply(initialConfiguration), field.editSupplier.get());
+    }
+
+    private void updateInitialConfiguration(TeaVMConfiguration config) {
+        initialConfiguration.setEnabled(config.isEnabled());
+        initialConfiguration.setMainClass(config.getMainClass());
+        initialConfiguration.setTargetDirectory(config.getTargetDirectory());
+    }
+
+    static class Field<T> {
+        final BiConsumer<TeaVMConfiguration, T> dataConsumer;
+        final Function<TeaVMConfiguration, T> dataSupplier;
+        final Consumer<T> editConsumer;
+        final Supplier<T> editSupplier;
+
+        public Field(BiConsumer<TeaVMConfiguration, T> dataConsumer, Function<TeaVMConfiguration, T> dataSupplier,
+                Consumer<T> editConsumer, Supplier<T> editSupplier) {
+            this.dataConsumer = dataConsumer;
+            this.dataSupplier = dataSupplier;
+            this.editConsumer = editConsumer;
+            this.editSupplier = editSupplier;
+        }
+    }
+}
diff --git a/tools/idea/src/main/resources/META-INF/plugin.xml b/tools/idea/src/main/resources/META-INF/plugin.xml
index 68ae2627b..82d6ef691 100644
--- a/tools/idea/src/main/resources/META-INF/plugin.xml
+++ b/tools/idea/src/main/resources/META-INF/plugin.xml
@@ -15,21 +15,20 @@
     ]]>
   </change-notes>
 
-  <!-- please see http://www.jetbrains.org/intellij/sdk/docs/basics/getting_started/build_number_ranges.html for description -->
   <idea-version since-build="141.0"/>
 
-  <!-- please see http://www.jetbrains.org/intellij/sdk/docs/basics/getting_started/plugin_compatibility.html
-       on how to target different products -->
-  <!-- uncomment to enable plugin in all products
-  <depends>com.intellij.modules.lang</depends>
-  -->
-
   <extensions defaultExtensionNs="com.intellij">
-    <!-- Add your extensions here -->
+    <moduleConfigurable instance="org.teavm.idea.ui.TeaVMConfigurable"/>
+    <moduleService serviceInterface="org.teavm.idea.TeaVMConfigurationStorage"
+                   serviceImplementation="org.teavm.idea.TeaVMConfigurationStorage"/>
   </extensions>
 
   <actions>
-    <!-- Add your actions here -->
   </actions>
 
+  <module-components>
+    <component>
+      <implementation-class>org.teavm.idea.TeaVMConfigurationStorage</implementation-class>
+    </component>
+  </module-components>
 </idea-plugin>
\ No newline at end of file