Embedding: bring embedding dialog back to shape

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@20129 a592a061-630c-0410-9148-cb99ea01b6c8

src/EmbeddedFiles.cpp

@@ -139,7 +139,7 @@ bool EmbeddedFile::extract(Buffer const * buf) const
 }
 
 
-bool EmbeddedFile::embed(Buffer const * buf)
+bool EmbeddedFile::update(Buffer const * buf) const
 {
 	string ext_file = absFilename();
 	string emb_file = embeddedFile(buf);
@@ -161,17 +161,16 @@ bool EmbeddedFile::embed(Buffer const * buf)
 			if (!fs::is_directory(path))
 				makedir(const_cast<char*>(path.c_str()), 0755);
 			fs::copy_file(ext_file, emb_file, false);
-			embedded_ = true;
 		} catch (fs::filesystem_error const & fe) {
 			Alert::error(_("Copy file failure"),
 				 bformat(_("Cannot copy file %1$s to %2$s.\n"
 					   "Please check whether the directory exists and is writeable."),
 						from_utf8(ext_file), from_utf8(emb_file)));
 			LYXERR(Debug::DEBUG) << "Fs error: " << fe.what() << endl;
-			embedded_ = false;
+			return false;
 		}
 	}
-	return embedded_;
+	return true;
 }
 
 
@@ -207,7 +206,8 @@ void EmbeddedFiles::registerFile(string const & filename,
 	// find this filename
 	if (it != file_list_.end()) {
 		it->setParIter(pit);
-		it->embed(buffer_);
+		it->update(buffer_);
+		it->setEmbed(true);
 		it->validate();
 		return;
 	}

src/EmbeddedFiles.h

@@ -127,6 +127,9 @@ public:
 
 	/// embedding status of this file
 	bool embedded() const { return embedded_; }
+	/// set embedding status. update() should be called before this
+	/// to sync the embedded file with external one.
+	bool setEmbed(bool embed) { embedded_ = embed; }
 
 	// A flag indicating whether or not this filename is valid.
 	// When lyx runs, InsetGraphics etc may be added or removed so filename
@@ -137,10 +140,11 @@ public:
 	bool valid() const { return valid_; }
 	void validate() { valid_ = true; }
 	void invalidate() {	valid_ = false;	}
-	///
+
+	/// extract file, does not change embedding status
 	bool extract(Buffer const * buf) const;
-	///
-	bool embed(Buffer const * buf);
+	/// update embedded file from external file, does not change embedding status
+	bool update(Buffer const * buf) const;
 
 private:
 	/// filename in zip file

src/frontends/controllers/ControlEmbeddedFiles.cpp

@@ -59,10 +59,11 @@ void ControlEmbeddedFiles::updateEmbeddedFiles()
 }
 
 
-void ControlEmbeddedFiles::dispatchParams()
+void ControlEmbeddedFiles::dispatchMessage(string const & msg)
 {
+	// FIXME: the right thing to do? QT guys?
 	// lyx view will only be updated if we do something to the main window. :-)
-	kernel().dispatch(FuncRequest(LFUN_MESSAGE, message_));
+	kernel().dispatch(FuncRequest(LFUN_MESSAGE, msg));
 }
 
 
@@ -82,6 +83,16 @@ void ControlEmbeddedFiles::view(EmbeddedFile const & item)
 }
 
 
+void ControlEmbeddedFiles::setEmbed(EmbeddedFile & item, bool embed)
+{
+	if (embed)
+		item.update(&kernel().buffer());
+	else
+		item.extract(&kernel().buffer());
+	item.setEmbed(embed);
+}
+
+
 docstring const ControlEmbeddedFiles::browseFile()
 {
 	std::pair<docstring, docstring> dir1(_("Documents|#o#O"),
@@ -99,5 +110,10 @@ bool ControlEmbeddedFiles::extract(EmbeddedFile const & item)
 }
 
 
+bool ControlEmbeddedFiles::update(EmbeddedFile const & item)
+{
+	return item.update(&kernel().buffer());
+}
+
 } // namespace frontend
 } // namespace lyx

src/frontends/controllers/ControlEmbeddedFiles.h

@@ -40,17 +40,21 @@ public:
 	///
 	virtual bool canApplyToReadOnly() const { return true; }
 	///
-	void setMessage(std::string const & msg) { message_ = msg; }
+	void dispatchMessage(std::string const & msg);
 	///
-	void dispatchParams();
+	void dispatchParams() {};
 	///
 	void goTo(EmbeddedFile const & item);
 	///
 	void view(EmbeddedFile const & item);
 	///
+	void setEmbed(EmbeddedFile & item, bool embed);
+	///
 	docstring const browseFile();
 	///
 	bool extract(EmbeddedFile const & item);
+	///
+	bool update(EmbeddedFile const & item);
 
 protected:
 	//

src/frontends/qt4/GuiEmbeddedFiles.cpp

@@ -17,10 +17,6 @@
 namespace lyx {
 namespace frontend {
 
-static QString const INVALID_COLOR = "gray";
-static QString const EMBEDDED_COLOR = "black";
-static QString const EXTERNAL_COLOR = "blue";
-
 
 GuiEmbeddedFilesDialog::GuiEmbeddedFilesDialog(LyXView & lv)
 	: GuiDialog(lv, "embedding")
@@ -44,34 +40,56 @@ ControlEmbeddedFiles & GuiEmbeddedFilesDialog::controller() const
 }
 
 
+void GuiEmbeddedFilesDialog::on_filesLW_itemChanged(QListWidgetItem* item)
+{
+	EmbeddedFiles & files = controller().embeddedFiles();
+	if (item->checkState() == Qt::Checked) {
+		controller().setEmbed(files[filesLW->row(item)], true);
+		controller().dispatchMessage("Embed file " + fromqstr(item->text()));
+	} else {
+		controller().setEmbed(files[filesLW->row(item)], false);
+		controller().dispatchMessage("Stop embedding file " + fromqstr(item->text()));
+	}
+}
+
+
 void GuiEmbeddedFilesDialog::on_filesLW_itemSelectionChanged()
 {
 	EmbeddedFiles & files = controller().embeddedFiles();
 
 	QList<QListWidgetItem *> selection = filesLW->selectedItems();
 
+	if (selection.empty()) {
+		fullpathLE->setEnabled(false);
+		selectPB->setEnabled(false);
+		unselectPB->setEnabled(false);
+		extractPB->setEnabled(false);
+		updatePB->setEnabled(false);
+		return;
+	}
+	
 	fullpathLE->setEnabled(selection.size() == 1);
 
-	// try to find a common mode, otherwise return NONE.
+	// try to find a common embedding status
 	QList<QListWidgetItem*>::iterator it = selection.begin(); 
 	QList<QListWidgetItem*>::iterator it_end = selection.end(); 
 	// if the selection is not empty
 	if (it != it_end) {
 		int idx = filesLW->row(*it);
 		fullpathLE->setText(toqstr(files[idx].absFilename()));
-		// go to the first selected item
 		controller().goTo(files[idx]);
 	}
-
-	bool mode = false;
+	// are the items all selected or unselected?
+	bool hasSelected = false;
+	bool hasUnselected = false;
 	for (; it != it_end; ++it) {
-		int idx = filesLW->row(*it);
-		if (mode) {
-			mode = true;
-			continue;
-		}
+		if ((*it)->checkState() == Qt::Checked)
+			hasSelected = true;
+		else
+			hasUnselected = true;
 	}
-			
+	selectPB->setEnabled(hasUnselected);
+	unselectPB->setEnabled(hasSelected);
 }
 
 
@@ -86,25 +104,48 @@ void GuiEmbeddedFilesDialog::on_filesLW_itemDoubleClicked()
 void GuiEmbeddedFilesDialog::updateView()
 {
 	filesLW->clear();
-	
 	//
 	EmbeddedFiles const & files = controller().embeddedFiles();
 	EmbeddedFiles::EmbeddedFileList::const_iterator it = files.begin();
 	EmbeddedFiles::EmbeddedFileList::const_iterator it_end = files.end();
 	for (; it != it_end; ++it) {
 		QListWidgetItem * item = new QListWidgetItem(toqstr(it->inzipName()));
-		if (!it->valid())
-			item->setTextColor(INVALID_COLOR);
-		else if(it->embedded())
-			item->setTextColor(EMBEDDED_COLOR);
+		Qt::ItemFlags flag = Qt::ItemIsUserCheckable | Qt::ItemIsSelectable;
+		if (it->valid())
+			flag |= Qt::ItemIsEnabled;
+		item->setFlags(flag);
+		if(it->embedded())
+			item->setCheckState(Qt::Checked);
 		else
-			item->setTextColor(EXTERNAL_COLOR);
+			item->setCheckState(Qt::Unchecked);
 		filesLW->addItem(item);
 	}
-	//
-	bool enabled = files.enabled();
-	enableCB->setChecked(enabled);
-	fullpathLE->setEnabled(enabled);
+}
+
+
+void GuiEmbeddedFilesDialog::on_selectPB_clicked()
+{
+	EmbeddedFiles & files = controller().embeddedFiles();
+	QList<QListWidgetItem *> selection = filesLW->selectedItems();
+	for (QList<QListWidgetItem*>::iterator it = selection.begin(); 
+		it != selection.end(); ++it) {
+		(*it)->setCheckState(Qt::Checked);
+		controller().setEmbed(files[filesLW->row(*it)], true);
+	}
+	controller().dispatchMessage("Embedding files");
+}
+
+
+void GuiEmbeddedFilesDialog::on_unselectPB_clicked()
+{
+	EmbeddedFiles & files = controller().embeddedFiles();
+	QList<QListWidgetItem *> selection = filesLW->selectedItems();
+	for (QList<QListWidgetItem*>::iterator it = selection.begin(); 
+		it != selection.end(); ++it) {
+		(*it)->setCheckState(Qt::Checked);
+		controller().setEmbed(files[filesLW->row(*it)], false);
+	}
+	controller().dispatchMessage("Stop embedding files");
 }
 
 
@@ -114,7 +155,8 @@ void GuiEmbeddedFilesDialog::on_addPB_clicked()
 	if (!file.empty()) {
 		EmbeddedFiles & files = controller().embeddedFiles();
 		files.registerFile(to_utf8(file), true);
-	}		
+	}
+	controller().dispatchMessage("Add an embedded file");
 }
 
 
@@ -125,46 +167,33 @@ void GuiEmbeddedFilesDialog::on_extractPB_clicked()
 	for (QList<QListWidgetItem*>::iterator it = selection.begin(); 
 		it != selection.end(); ++it)
 		controller().extract(files[filesLW->row(*it)]);
+	// FIXME: collect extraction status and display a dialog
+	controller().dispatchMessage("Extract embedded files");
 }
 
 
+void GuiEmbeddedFilesDialog::on_updatePB_clicked()
+{
+	EmbeddedFiles const & files = controller().embeddedFiles();
+	QList<QListWidgetItem *> selection = filesLW->selectedItems();
+	for (QList<QListWidgetItem*>::iterator it = selection.begin(); 
+		it != selection.end(); ++it)
+		controller().update(files[filesLW->row(*it)]);
+	// FIXME: collect update status and display a dialog
+	controller().dispatchMessage("Update embedded files from external file");
+}
+
+
+
 void GuiEmbeddedFilesDialog::on_enableCB_toggled(bool enable)
 {
-	// FIXME:
-	//
-	// When a embedded file is turned to disabled, it should save its
-	// embedded files. Otherwise, embedded files will be lost!!!
 	//
 	controller().embeddedFiles().enable(enable);
 	// immediately post the change to buffer (and bufferView)
 	if (enable)
-		controller().setMessage("Enable file embedding");
+		controller().dispatchMessage("Enable file embedding");
 	else
-		controller().setMessage("Disable file embedding");
-	// update bufferView
-	controller().dispatchParams();
-}
-
-
-void GuiEmbeddedFilesDialog::set_embedding_status(bool embed)
-{
-	EmbeddedFiles & files = controller().embeddedFiles();
-	QList<QListWidgetItem *> selection = filesLW->selectedItems();
-	for (QList<QListWidgetItem*>::iterator it = selection.begin(); 
-		it != selection.end(); ++it) {
-		int row = filesLW->row(*it);
-		// FIXME: mark buffer dirty
-		if(embed)
-			(*it)->setTextColor(EMBEDDED_COLOR);
-		else
-			(*it)->setTextColor(EXTERNAL_COLOR);
-	}
-	if (embed)
-		controller().setMessage("Embed file");
-	else
-		controller().setMessage("Extract file");
-	// update bufferView
-	controller().dispatchParams();
+		controller().dispatchMessage("Disable file embedding");
 }
 
 

src/frontends/qt4/GuiEmbeddedFiles.h

@@ -29,17 +29,19 @@ public:
 
 public Q_SLOTS:
 	///
+	void on_filesLW_itemChanged(QListWidgetItem* item);
 	void on_filesLW_itemSelectionChanged();
-	///
 	void on_filesLW_itemDoubleClicked();
 	///
 	void updateView();
 	///
 	void on_enableCB_toggled(bool enable);
 	///
+	void on_selectPB_clicked();
+	void on_unselectPB_clicked();
 	void on_addPB_clicked();
-	//
 	void on_extractPB_clicked();
+	void on_updatePB_clicked();
 
 private:
 	ControlEmbeddedFiles & controller() const;

src/frontends/qt4/ui/EmbeddedFilesUi.ui

@@ -8,7 +8,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>145</width>
+    <width>199</width>
     <height>390</height>
    </rect>
   </property>
@@ -25,7 +25,14 @@
    <item>
     <widget class="QCheckBox" name="enableCB" >
      <property name="text" >
-      <string>Enable embedding</string>
+      <string>Save file in bundled format</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QLabel" name="label" >
+     <property name="text" >
+      <string>Embedding status</string>
      </property>
     </widget>
    </item>
@@ -60,6 +67,44 @@
      <property name="spacing" >
       <number>6</number>
      </property>
+     <item>
+      <widget class="QToolButton" name="selectPB" >
+       <property name="toolTip" >
+        <string>Embed selected files</string>
+       </property>
+       <property name="text" >
+        <string>...</string>
+       </property>
+       <property name="icon" >
+        <iconset>../../../../lib/images/tabular-feature_set-all-lines.png</iconset>
+       </property>
+       <property name="iconSize" >
+        <size>
+         <width>20</width>
+         <height>20</height>
+        </size>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QToolButton" name="unselectPB" >
+       <property name="toolTip" >
+        <string>Do not embed selected files</string>
+       </property>
+       <property name="text" >
+        <string>...</string>
+       </property>
+       <property name="icon" >
+        <iconset>../../../../lib/images/tabular-feature_set-all-lines.png</iconset>
+       </property>
+       <property name="iconSize" >
+        <size>
+         <width>20</width>
+         <height>20</height>
+        </size>
+       </property>
+      </widget>
+     </item>
      <item>
       <widget class="QToolButton" name="addPB" >
        <property name="toolTip" >
@@ -82,7 +127,7 @@
      <item>
       <widget class="QToolButton" name="extractPB" >
        <property name="toolTip" >
-        <string>Extract selected file.</string>
+        <string>Extract selected file, without changing embedding status.</string>
        </property>
        <property name="text" >
         <string>...</string>
@@ -107,7 +152,7 @@
         <string>...</string>
        </property>
        <property name="icon" >
-        <iconset>../../../../lib/images/copy.png</iconset>
+        <iconset>../../../../lib/images/depth-decrement.png</iconset>
        </property>
        <property name="iconSize" >
         <size>