Qt Creator Plugin HOWTO documentation first and second cut

Signed-off-by: Abhishek Patil <abhishek.patil@vcreatelogic.com>

Merge-request: 145
Reviewed-by: con <qtc-committer@nokia.com>

doc/examples/htmleditor/htmleditor.cpp

@@ -0,0 +1,129 @@
+#include "htmlfile.h"
+#include "htmleditor.h"
+#include "htmleditorwidget.h"
+
+#include "coreplugin/uniqueidmanager.h"
+
+struct HTMLEditorData
+{
+    HTMLEditorData() : editorWidget(0), file(0) { }
+
+    HTMLEditorWidget* editorWidget;
+    QString displayName;
+    HTMLFile* file;
+    QList<int> context;
+};
+
+namespace HTMLEditorConstants
+{
+    const char* const C_HTMLEDITOR_MIMETYPE = "text/html";
+    const char* const C_HTMLEDITOR = "HTML Editor";
+}
+
+HTMLEditor::HTMLEditor(HTMLEditorWidget* editorWidget)
+    :Core::IEditor(editorWidget)
+{
+    d = new HTMLEditorData;
+    d->editorWidget = editorWidget;
+    d->file = new HTMLFile(this, editorWidget);
+
+    Core::UniqueIDManager* uidm = Core::UniqueIDManager::instance();
+    d->context << uidm->uniqueIdentifier(HTMLEditorConstants::C_HTMLEDITOR);
+
+    connect(d->editorWidget, SIGNAL(contentModified()),
+            d->file, SLOT(modified()));
+    connect(d->editorWidget, SIGNAL(titleChanged(QString)),
+            this, SLOT(slotTitleChanged(QString)));
+    connect(d->editorWidget, SIGNAL(contentModified()),
+            this, SIGNAL(changed()));
+}
+
+HTMLEditor::~HTMLEditor()
+{
+    delete d;
+}
+
+QWidget* HTMLEditor::widget()
+{
+    return d->editorWidget;
+}
+
+QList<int> HTMLEditor::context() const
+{
+    return d->context;
+}
+
+Core::IFile* HTMLEditor::file()
+{
+    return d->file;
+}
+
+bool HTMLEditor::createNew(const QString& contents)
+{
+    Q_UNUSED(contents);
+
+    d->editorWidget->setContent(QByteArray());
+    d->file->setFilename(QString());
+
+    return true;
+}
+
+bool HTMLEditor::open(const QString &fileName)
+{
+    return d->file->open(fileName);
+}
+
+const char* HTMLEditor::kind() const
+{
+    return HTMLEditorConstants::C_HTMLEDITOR;
+}
+
+QString HTMLEditor::displayName() const
+{
+    return d->displayName;
+}
+
+void HTMLEditor::setDisplayName(const QString& title)
+{
+    if(d->displayName == title)
+        return;
+
+    d->displayName = title;
+    emit changed();
+}
+
+bool HTMLEditor::duplicateSupported() const
+{
+    return false;
+}
+Core::IEditor* HTMLEditor::duplicate(QWidget* parent)
+{
+    Q_UNUSED(parent);
+
+    return 0;
+}
+
+QByteArray HTMLEditor::saveState() const
+{
+    return QByteArray();
+}
+
+bool HTMLEditor::restoreState(const QByteArray& state)
+{
+    Q_UNUSED(state);
+
+    return false;
+}
+
+QToolBar* HTMLEditor::toolBar()
+{
+    return 0;
+}
+
+bool HTMLEditor::isTemporary() const
+{
+    return false;
+}
+
+
+