lyx_mirror/src/frontends/qt4/GuiEmbeddedFiles.cpp

/**
 * \file GuiEmbeddedFiles.cpp
 * This file is part of LyX, the document processor.
 * Licence details can be found in the file COPYING.
 *
 * \author Bo Peng
 *
 * Full author contact details are available in file CREDITS.
 */

#include <config.h>

#include "GuiEmbeddedFiles.h"
#include "debug.h"


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")
{
	setupUi(this);
	setController(new ControlEmbeddedFiles(*this));
	setViewTitle(_("Embedded Files"));

	//setView(new DockView<GuiEmbeddedFiles, GuiEmbeddedFilesDialog>(
	//		*dialog, qef, &gui_view, _("Embedded Files"), Qt::RightDockWidgetArea));
	
	bc().setPolicy(ButtonPolicy::OkCancelPolicy);

	updateView();
}


ControlEmbeddedFiles & GuiEmbeddedFilesDialog::controller() const
{
	return static_cast<ControlEmbeddedFiles &>(Dialog::controller());
}


void GuiEmbeddedFilesDialog::on_filesLW_itemSelectionChanged()
{
	EmbeddedFiles & files = controller().embeddedFiles();

	QList<QListWidgetItem *> selection = filesLW->selectedItems();

	fullpathLE->setEnabled(selection.size() == 1);

	// try to find a common mode, otherwise return NONE.
	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;
	for (; it != it_end; ++it) {
		int idx = filesLW->row(*it);
		if (mode) {
			mode = true;
			continue;
		}
	}
			
}


void GuiEmbeddedFilesDialog::on_filesLW_itemDoubleClicked()
{
	EmbeddedFiles & files = controller().embeddedFiles();
	QList<QListWidgetItem *> selection = filesLW->selectedItems();
	controller().view(files[filesLW->row(*selection.begin())]);
}


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);
		else
			item->setTextColor(EXTERNAL_COLOR);
		filesLW->addItem(item);
	}
	//
	bool enabled = files.enabled();
	enableCB->setChecked(enabled);
	fullpathLE->setEnabled(enabled);
}


void GuiEmbeddedFilesDialog::on_addPB_clicked()
{
	docstring const file = controller().browseFile();
	if (!file.empty()) {
		EmbeddedFiles & files = controller().embeddedFiles();
		files.registerFile(to_utf8(file), true);
	}		
}


void GuiEmbeddedFilesDialog::on_extractPB_clicked()
{
	EmbeddedFiles const & files = controller().embeddedFiles();
	QList<QListWidgetItem *> selection = filesLW->selectedItems();
	for (QList<QListWidgetItem*>::iterator it = selection.begin(); 
		it != selection.end(); ++it)
		controller().extract(files[filesLW->row(*it)]);
}


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");
	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();
}


} // namespace frontend
} // namespace lyx

#include "GuiEmbeddedFiles_moc.cpp"