Move the plugin examples to subdir of pluginhowto.

doc/pluginhowto/examples/htmleditor/htmleditor.h

@@ -0,0 +1,44 @@
+#ifndef HTMLEDITOR_H
+#define HTMLEDITOR_H
+
+#include "coreplugin/editormanager/ieditor.h"
+
+#include <QToolBar>
+
+class HTMLEditorWidget;
+
+struct HTMLEditorData;
+class HTMLEditor : public Core::IEditor
+{
+    Q_OBJECT
+
+public:
+    HTMLEditor(HTMLEditorWidget* editorWidget);
+    ~HTMLEditor();
+
+    bool createNew(const QString& contents = QString());
+    QString displayName() const;
+    IEditor* duplicate(QWidget* parent);
+    bool duplicateSupported() const;
+    Core::IFile* file();
+    bool isTemporary() const;
+    const char* kind() const;
+    bool open(const QString& fileName = QString()) ;
+    bool restoreState(const QByteArray& state);
+    QByteArray saveState() const;
+    void setDisplayName(const QString &title);
+    QToolBar* toolBar();
+
+    // From Core::IContext
+    QWidget* widget();
+    QList<int> context() const;
+
+protected slots:
+    void slotTitleChanged(const QString& title)
+    { setDisplayName(title); }
+
+private:
+    HTMLEditorData* d;
+};
+
+#endif // HTMLEDITOR_H