1 files changed, 138 insertions, 0 deletions
diff --git a/plugins/properties/src/com/intellij/lang/properties/editor/NewPropertyAction.java b/plugins/properties/src/com/intellij/lang/properties/editor/NewPropertyAction.java
new file mode 100644
index 000000000000..d25b780bd769
--- /dev/null
+++ b/plugins/properties/src/com/intellij/lang/properties/editor/NewPropertyAction.java
@@ -0,0 +1,138 @@
+/*
+ * Copyright 2000-2014 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.lang.properties.editor;
+
+import com.intellij.icons.AllIcons;
+import com.intellij.lang.properties.PropertiesBundle;
+import com.intellij.lang.properties.ResourceBundle;
+import com.intellij.lang.properties.psi.PropertiesFile;
+import com.intellij.lang.properties.structureView.PropertiesPrefixGroup;
+import com.intellij.openapi.actionSystem.ActionPlaces;
+import com.intellij.openapi.actionSystem.AnAction;
+import com.intellij.openapi.actionSystem.AnActionEvent;
+import com.intellij.openapi.actionSystem.PlatformDataKeys;
+import com.intellij.openapi.application.ApplicationManager;
+import com.intellij.openapi.command.CommandProcessor;
+import com.intellij.openapi.fileEditor.FileEditor;
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.ui.InputValidator;
+import com.intellij.openapi.ui.Messages;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+/**
+* @author Dmitry Batkovich
+*/
+class NewPropertyAction extends AnAction {
+  public NewPropertyAction() {
+    super("New Property", null, AllIcons.General.Add);
+  }
+
+  @Override
+  public void actionPerformed(final AnActionEvent e) {
+    final Project project = getEventProject(e);
+    if (project == null) {
+      return;
+    }
+    final FileEditor editor = PlatformDataKeys.FILE_EDITOR.getData(e.getDataContext());
+    if (editor == null || !(editor instanceof ResourceBundleEditor)) {
+      return;
+    }
+    final ResourceBundleEditor resourceBundleEditor = (ResourceBundleEditor)editor;
+
+    final String prefix;
+    final String separator;
+    final String place = e.getPlace();
+    if (ActionPlaces.STRUCTURE_VIEW_TOOLBAR.equals(place)) {
+      prefix = null;
+      separator = null;
+    } else {
+      final ResourceBundleEditorViewElement selectedElement = resourceBundleEditor.getSelectedElement();
+      if (selectedElement == null) {
+        return;
+      }
+      if (selectedElement instanceof PropertiesPrefixGroup) {
+        final PropertiesPrefixGroup group = (PropertiesPrefixGroup)selectedElement;
+        prefix = group.getPrefix();
+        separator = group.getSeparator();
+      }
+      else if (selectedElement instanceof ResourceBundlePropertyStructureViewElement ||
+               selectedElement instanceof ResourceBundleFileStructureViewElement) {
+        prefix = null;
+        separator = null;
+      }
+      else {
+        throw new IllegalStateException("unsupported type: " + selectedElement.getClass());
+      }
+    }
+    final ResourceBundle resourceBundle = resourceBundleEditor.getResourceBundle();
+
+    Messages.showInputDialog(project,
+                             PropertiesBundle.message("new.property.dialog.name.prompt.text"),
+                             PropertiesBundle.message("new.property.dialog.title"),
+                             Messages.getQuestionIcon(),
+                             null,
+                             new NewPropertyNameValidator(resourceBundle, prefix, separator));
+  }
+
+  private static class NewPropertyNameValidator implements InputValidator {
+    private final @NotNull ResourceBundle myResourceBundle;
+    private final @Nullable String myPrefix;
+    private final @Nullable String mySeparator;
+
+
+    public NewPropertyNameValidator(final @NotNull ResourceBundle resourceBundle,
+                                    final @Nullable String prefix,
+                                    final @Nullable String separator) {
+      myResourceBundle = resourceBundle;
+      myPrefix = prefix;
+      mySeparator = separator;
+    }
+
+    @Override
+    public boolean checkInput(final String inputString) {
+      return true;
+    }
+
+    @Override
+    public boolean canClose(final String inputString) {
+      final String newPropertyName = myPrefix == null ? inputString : (myPrefix + mySeparator + inputString);
+
+      for (final PropertiesFile propertiesFile : myResourceBundle.getPropertiesFiles()) {
+        for (final String propertyName : propertiesFile.getNamesMap().keySet()) {
+          if (newPropertyName.equals(propertyName)) {
+            Messages.showErrorDialog("Can't add new property. Property with key \'" + newPropertyName + "\' already exists.", "New Property");
+            return false;
+          }
+        }
+      }
+
+      final PropertiesFile defaultPropertiesFile = myResourceBundle.getDefaultPropertiesFile();
+      ApplicationManager.getApplication().runWriteAction(new Runnable() {
+        @Override
+        public void run() {
+          CommandProcessor.getInstance().runUndoTransparentAction(new Runnable() {
+            @Override
+            public void run() {
+              defaultPropertiesFile.addProperty(newPropertyName, "");
+            }
+          });
+        }
+      });
+      return true;
+    }
+  }
+}