[Ktutorial-commits] SF.net SVN: ktutorial:[200] trunk/ktutorial/ktutorial-editor/src

[<dan...@us...>]

Revision: 200
          http://ktutorial.svn.sourceforge.net/ktutorial/?rev=200&view=rev
Author:   danxuliu
Date:     2010-03-27 07:05:48 +0000 (Sat, 27 Mar 2010)

Log Message:
-----------
Add actions to save and load a tutorial from XML

Modified Paths:
--------------
    trunk/ktutorial/ktutorial-editor/src/KTutorialEditor.cpp
    trunk/ktutorial/ktutorial-editor/src/KTutorialEditor.h

Modified: trunk/ktutorial/ktutorial-editor/src/KTutorialEditor.cpp
===================================================================
--- trunk/ktutorial/ktutorial-editor/src/KTutorialEditor.cpp	2010-03-27 04:25:13 UTC (rev 199)
+++ trunk/ktutorial/ktutorial-editor/src/KTutorialEditor.cpp	2010-03-27 07:05:48 UTC (rev 200)
@@ -63,6 +63,10 @@
 
     setupActions();
 
+    //Setting the url enables/disables File->Save action, so it has to be
+    //set after it is created
+    setTutorialUrl(KUrl());
+
     setupGUI();
 }
 
@@ -105,6 +109,24 @@
     mTutorial = tutorial;
 }
 
+void KTutorialEditor::setTutorialUrl(const KUrl& url) {
+    mTutorialUrl = url;
+
+    if (url.isEmpty()) {
+        actionCollection()->action("file_save")->setEnabled(false);
+
+        setCaption("");
+    } else {
+        actionCollection()->action("file_save")->setEnabled(true);
+
+        QString caption = url.prettyUrl();
+        if (caption.length() > 64) {
+            caption = "..." + caption.right(64);
+        }
+        setCaption(caption);
+    }
+}
+
 void KTutorialEditor::setupDocks() {
     mTutorialActionDock = new QDockWidget(i18nc("@title", "Edit tutorial"),
                                           this);
@@ -124,6 +146,12 @@
 void KTutorialEditor::setupActions() {
     KStandardAction::openNew(this, SLOT(newTutorial()), actionCollection());
 
+    KStandardAction::open(this, SLOT(openTutorial()), actionCollection());
+
+    KStandardAction::save(this, SLOT(saveTutorial()), actionCollection());
+
+    KStandardAction::saveAs(this, SLOT(saveTutorialAs()), actionCollection());
+
     KAction* action = new KAction(this);
     action->setText(i18nc("@action", "Export..."));
     action->setStatusTip(i18nc("@info:status", "Exports the tutorial to a "
@@ -313,8 +341,84 @@
 
 void KTutorialEditor::newTutorial() {
     setTutorialToBeEdited();
+    setTutorialUrl(KUrl());
 }
 
+void KTutorialEditor::openTutorial() {
+    KUrl url = mTutorialUrl;
+    QPointer<KFileDialog> dialog = new KFileDialog(url, QString(), this);
+
+    dialog->setCaption(i18nc("@title", "Open Tutorial"));
+    dialog->setOperationMode(KFileDialog::Opening);
+    dialog->setFilter(i18nc("@item:inlistbox A KFileDialog filter",
+                            "*.xml|XML file"));
+
+    if (dialog->exec() == QDialog::Rejected) {
+        return;
+    }
+
+    Tutorial* tutorial;
+    try {
+        tutorial = Serialization::loadTutorial(dialog->selectedUrl());
+    } catch (IOException e) {
+        QString text = i18nc("@label", "There was a problem when trying to "
+"open the file:<nl/>%1", e.message());
+        QString caption = i18nc("@title:window", "File could not be read");
+        KMessageBox::error(this, text, caption);
+        return;
+    } catch (DeserializationException e) {
+        QString text = i18nc("@label", "There was a problem when trying to "
+"load the tutorial:<nl/>%1", e.message());
+        QString caption = i18nc("@title:window", "Tutorial could not be "
+"loaded");
+        KMessageBox::error(this, text, caption);
+        return;
+    }
+
+    setTutorialToBeEdited(tutorial);
+    setTutorialUrl(dialog->selectedUrl());
+}
+
+void KTutorialEditor::saveTutorial() {
+    try {
+        Serialization::saveTutorial(mTutorial, mTutorialUrl);
+    } catch (IOException e) {
+        QString text = i18nc("@label", "There was a problem when trying to "
+"save the tutorial:<nl/>%1", e.message());
+        QString caption = i18nc("@title:window", "Tutorial could not be saved");
+        KMessageBox::error(this, text, caption);
+    }
+}
+
+void KTutorialEditor::saveTutorialAs() {
+    KUrl url = mTutorialUrl;
+    QPointer<KFileDialog> dialog = new KFileDialog(url, QString(), this);
+
+    dialog->setSelection(mTutorial->id());
+    dialog->setCaption(i18nc("@title", "Save Tutorial"));
+    dialog->setOperationMode(KFileDialog::Saving);
+    dialog->setConfirmOverwrite(true);
+    dialog->setFilter(i18nc("@item:inlistbox A KFileDialog filter",
+                            "*.xml|XML file"));
+    dialog->filterWidget()->setEditable(false);
+
+    if (dialog->exec() == QDialog::Rejected) {
+        return;
+    }
+
+    try {
+        Serialization::saveTutorial(mTutorial, dialog->selectedUrl());
+    } catch (IOException e) {
+        QString text = i18nc("@label", "There was a problem when trying to "
+"save the tutorial:<nl/>%1", e.message());
+        QString caption = i18nc("@title:window", "Tutorial could not be saved");
+        KMessageBox::error(this, text, caption);
+        return;
+    }
+
+    setTutorialUrl(dialog->selectedUrl());
+}
+
 void KTutorialEditor::exportTutorial() {
     KUrl url;
     QPointer<KFileDialog> dialog = new KFileDialog(url, QString(), this);

Modified: trunk/ktutorial/ktutorial-editor/src/KTutorialEditor.h
===================================================================
--- trunk/ktutorial/ktutorial-editor/src/KTutorialEditor.h	2010-03-27 04:25:13 UTC (rev 199)
+++ trunk/ktutorial/ktutorial-editor/src/KTutorialEditor.h	2010-03-27 07:05:48 UTC (rev 200)
@@ -20,6 +20,7 @@
 #define KTUTORIALEDITOR_H
 
 #include <KXmlGuiWindow>
+#include <KUrl>
 
 class EditionWidget;
 class QTreeView;
@@ -68,6 +69,11 @@
     Tutorial* mTutorial;
 
     /**
+     * The URL to save the tutorial to.
+     */
+    KUrl mTutorialUrl;
+
+    /**
      * The currently selected step.
      */
     Step* mCurrentStep;
@@ -89,6 +95,16 @@
     void setTutorialToBeEdited(Tutorial* tutorial = 0);
 
     /**
+     * Sets the URL to save the tutorial to.
+     * An empty URL disables Save action, otherwise it is enabled.
+     * The caption (window title) is updated with the URL. The URL in the
+     * caption is shown truncated if it is too lengthy.
+     *
+     * @param url The URL to save the tutorial to.
+     */
+    void setTutorialUrl(const KUrl& url);
+
+    /**
      * Sets up the dock widgets.
      */
     void setupDocks();
@@ -128,10 +144,31 @@
 
     /**
      * Creates a new empty tutorial replacing the current one, if any.
+     * The tutorial URL is cleared.
      */
     void newTutorial();
 
     /**
+     * Shows a KFileDialog to select the file to open the tutorial from.
+     * The tutorial URL is updated.
+     * An error message is shown if the tutorial couldn't be opened.
+     */
+    void openTutorial();
+
+    /**
+     * Saves the tutorial to the tutorial URL.
+     * An error message is shown if the tutorial couldn't be saved.
+     */
+    void saveTutorial();
+
+    /**
+     * Shows a KFileDialog to select the file to save the tutorial to.
+     * The tutorial URL is updated.
+     * An error message is shown if the tutorial couldn't be saved.
+     */
+    void saveTutorialAs();
+
+    /**
      * Shows a KFileDialog to select the file to save the exported tutorial in.
      * An error message is shown if the tutorial couldn't be saved.
      */


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