Add ability to store informations for element like label, manufacturer, ref etc....

Add widget to edit it, save/load works
Informations are stored in a diagramcontext, this class was modified (new feature) to store information
but keep compatibilty with older version.  


git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@2850 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/ui/elementinfowidget.cpp

@@ -0,0 +1,90 @@
+/*
+	Copyright 2006-2014 The QElectroTech Team
+	This file is part of QElectroTech.
+
+	QElectroTech is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 2 of the License, or
+	(at your option) any later version.
+
+	QElectroTech is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#include "elementinfowidget.h"
+#include "ui_elementinfowidget.h"
+#include "qetapp.h"
+
+/**
+ * @brief ElementInfoWidget::ElementInfoWidget
+ * Constructor
+ * @param elmt element to edit information
+ * @param parent parent widget
+ */
+ElementInfoWidget::ElementInfoWidget(Element *elmt, QWidget *parent) :
+	QWidget(parent),
+	ui(new Ui::ElementInfoWidget),
+	element_(elmt),
+	elmt_info(elmt->informations())
+{
+	ui->setupUi(this);
+	buildInterface();
+	fillInfo();
+}
+
+/**
+ * @brief ElementInfoWidget::~ElementInfoWidget
+ * Destructor
+ */
+ElementInfoWidget::~ElementInfoWidget()
+{
+	qDeleteAll(eipw_list);
+	delete ui;
+}
+
+/**
+ * @brief ElementInfoWidget::apply
+ * Apply the new information
+ */
+void ElementInfoWidget::apply() {
+	DiagramContext dc;
+	foreach (ElementInfoPartWidget *eipw, eipw_list) {
+		//add value only if they're something to store
+		if (!eipw->text().isEmpty())
+			dc.addValue(eipw->key(),
+						eipw->text(),
+						eipw->mustShow());
+	}
+	element_->setInformations(dc);
+}
+
+/**
+ * @brief ElementInfoWidget::buildInterface
+ * Build the widget
+ */
+void ElementInfoWidget::buildInterface() {
+	foreach (QString str, QETApp::elementInfoKeys()) {
+		ElementInfoPartWidget *eipw = new ElementInfoPartWidget(str, QETApp::elementTranslatedInfoKey(str), this);
+		ui->scroll_vlayout->addWidget(eipw);
+		eipw_list << eipw;
+	}
+}
+
+/**
+ * @brief ElementInfoWidget::fillInfo
+ * fill information fetch in elmt_info to the
+ * corresponding line edit
+ */
+void ElementInfoWidget::fillInfo() {
+	foreach (ElementInfoPartWidget *eipw, eipw_list) {
+		eipw->setText(elmt_info[eipw->key()].toString());
+		eipw->setShow(elmt_info.keyMustShow(eipw->key()));
+		//check "show" if this eipw is label and if elmt_info haven't got value for label.
+		if (eipw->key() == "label" && (elmt_info["label"].toString().isEmpty()))
+			eipw->setShow(true);
+	}
+}