CodeMirror

Author: forsrc

forsrc-gwt-ui/src/main/java/com/forsrc/gwt/client/application/codemirror/CodemirrorView.java

@@ -2,11 +2,15 @@
 
 import javax.inject.Inject;
 
+import org.geomajas.codemirror.client.CodeMirrorWrapper;
+import org.geomajas.codemirror.client.Config;
 import org.geomajas.codemirror.client.widget.CodeMirrorPanel;
 
+import com.google.gwt.core.client.Scheduler;
 import com.google.gwt.event.logical.shared.AttachEvent;
 import com.google.gwt.uibinder.client.UiBinder;
 import com.google.gwt.uibinder.client.UiField;
+import com.google.gwt.user.client.Command;
 import com.google.gwt.user.client.ui.HTMLPanel;
 import com.google.gwt.user.client.ui.PopupPanel;
 import com.google.gwt.user.client.ui.Widget;
@@ -29,8 +33,7 @@ interface Binder extends UiBinder<Widget, CodemirrorView> {
     @Inject
     CodemirrorView(Binder uiBinder) {
         initWidget(uiBinder.createAndBindUi(this));
-        codeMirrorPanel = new CodeMirrorPanel();
-        codeMirrorHtmlPanel.add(codeMirrorPanel);
+
     }
 
     @Override
@@ -44,11 +47,16 @@ public void onSearch(String text) {
     protected void onAttach() {
         // TODO Auto-generated method stub
         super.onAttach();
-        codeMirrorHtmlPanel.addAttachHandler(new AttachEvent.Handler() {
-
-            @Override
-            public void onAttachOrDetach(AttachEvent event) {
-                codeMirrorPanel.getEditor().setContent("hello world");
+        Scheduler.get().scheduleDeferred(new Command() {
+            public void execute() {
+                if (codeMirrorPanel == null) {
+                    Config config = Config.getDefault();
+                    config.setOption(Config.MODE, "xml");
+                    config.setOption("autoCloseTags", true);
+                    config.setOption("collapseRange", true);
+                    codeMirrorPanel = new MyCodeMirrorPanel(config);
+                    codeMirrorHtmlPanel.add(codeMirrorPanel);
+                }
             }
         });
     }

forsrc-gwt-ui/src/main/java/com/forsrc/gwt/client/application/codemirror/MyCodeMirrorPanel.java

@@ -0,0 +1,87 @@
+package com.forsrc.gwt.client.application.codemirror;
+
+import org.geomajas.annotation.Api;
+import org.geomajas.codemirror.client.CodeMirrorWrapper;
+import org.geomajas.codemirror.client.Config;
+import org.geomajas.codemirror.client.widget.CodeMirrorPanel;
+
+import com.google.gwt.core.client.Scheduler;
+import com.google.gwt.user.client.Command;
+
+import com.google.gwt.user.client.ui.TextArea;
+
+@Api(allMethods = true)
+public class MyCodeMirrorPanel extends CodeMirrorPanel {
+
+    private CodeMirrorWrapper editor;
+    private TextArea textArea;
+    private Config config;
+
+    /**
+     * Create an new codemirrorpanel with the default configuration.
+     */
+    public MyCodeMirrorPanel() {
+        super();
+    }
+
+    /**
+     * Create an new codemirrorpanel with the default configuration.
+     * 
+     * @param initialData
+     *            the initial content.
+     */
+    public MyCodeMirrorPanel(String initialData) {
+        super(initialData);
+    }
+
+    /**
+     * Create an new codemirrorpanel with a custom configuration.
+     * 
+     * @param config
+     *            the configuration.
+     */
+    public MyCodeMirrorPanel(Config config) {
+        super(config);
+    }
+
+    /**
+     * Get the internal CodemirrorWrapper object.
+     * 
+     * @return editor
+     */
+    public CodeMirrorWrapper getEditor() {
+        return editor;
+    }
+
+    /**
+     * Set the initial data to be displayed in the codemirror editor window.
+     * 
+     * @param initialData
+     */
+    public void setInitialData(String initialData) {
+        textArea.setValue(initialData);
+    }
+
+    // ------------------------------------------------------------------
+
+    @Override
+    protected void onLoad() {
+        // super.onLoad();
+        attachtCodeMirror();
+    }
+
+    private void attachtCodeMirror() {
+        Scheduler.get().scheduleDeferred(new Command() {
+            public void execute() {
+                if (textArea == null) {
+                    textArea = new TextArea();
+                    setWidget(textArea);
+                }
+                if (editor == null) {
+                    // Window.alert(textArea == null? "null" : "OK");
+                    editor = CodeMirrorWrapper.fromTextArea(textArea, config == null ? Config.getDefault() : config);
+                }
+            }
+        });
+    }
+}