Ajout d'un champ de texte pour filtrer le contenu du panel d'elements

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@255 bfdf4180-ca20-0410-9c96-a3a8aa849046

elementspanel.cpp

@@ -344,3 +344,29 @@ QTreeWidgetItem *ElementsPanel::findFile(const QString &file) const {
 	}
 	return(0);
 }
+
+/**
+	N'affiche que les elements contenant une chaine donnee
+	@param m Chaine a filtrer
+*/
+void ElementsPanel::filter(const QString &m) {
+	QList<QTreeWidgetItem *> items = findItems("*", Qt::MatchRecursive | Qt::MatchWildcard);
+	if (m.isEmpty()) {
+		foreach(QTreeWidgetItem *item, items) item -> setHidden(false);
+	} else {
+		foreach(QTreeWidgetItem *item, items) {
+			QString file = item -> data(0, 42).toString();
+			bool item_matches = item -> text(0).contains(m, Qt::CaseInsensitive);
+			item -> setHidden(!item_matches);
+			if (item_matches) {
+				// remonte l'arborescence pour afficher les categories contenant l'element
+				QTreeWidgetItem *parent_qtwi = item -> parent();
+				while(parent_qtwi && (parent_qtwi -> isHidden() || !parent_qtwi -> isExpanded())) {
+					parent_qtwi -> setHidden(false);
+					parent_qtwi -> setExpanded(true);
+					parent_qtwi = parent_qtwi -> parent();
+				}
+			}
+		}
+	}
+}

elementspanel.h

@@ -61,5 +61,6 @@ class ElementsPanel : public QTreeWidget {
 	void editElement();
 	void deleteCategory();
 	void deleteElement();
+	void filter(const QString &);
 };
 #endif

elementspanelwidget.cpp

@@ -35,6 +35,13 @@ ElementsPanelWidget::ElementsPanelWidget(QWidget *parent) : QWidget(parent) {
 	edit_element    = new QAction(QIcon(":/ico/edit.png"),            tr("\311diter l'\351l\351ment"), this);
 	delete_element  = new QAction(QIcon(":/ico/delete.png"),          tr("Supprimer l'\351l\351ment"), this);
 	
+	// initialise le champ de texte pour filtrer avec une disposition horizontale
+	QLabel *filter_label = new QLabel(tr("Filtrer : "), this);
+	filter_textfield = new QLineEdit(this);
+	QHBoxLayout *hlayout = new QHBoxLayout();
+	hlayout -> addWidget(filter_label);
+	hlayout -> addWidget(filter_textfield);
+	
 	context_menu = new QMenu(this);
 	
 	connect(reload,          SIGNAL(triggered()), elements_panel, SLOT(reload()));
@@ -45,6 +52,8 @@ ElementsPanelWidget::ElementsPanelWidget(QWidget *parent) : QWidget(parent) {
 	connect(edit_element,    SIGNAL(triggered()), elements_panel, SLOT(editElement()));
 	connect(delete_element,  SIGNAL(triggered()), elements_panel, SLOT(deleteElement()));
 	
+	connect(filter_textfield, SIGNAL(textEdited(const QString &)), elements_panel, SLOT(filter(const QString &)));
+	
 	connect(elements_panel, SIGNAL(currentItemChanged(QTreeWidgetItem *, QTreeWidgetItem *)), this, SLOT(updateButtons()));
 	connect(elements_panel, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(handleContextMenu(const QPoint &)));
 	
@@ -66,6 +75,7 @@ ElementsPanelWidget::ElementsPanelWidget(QWidget *parent) : QWidget(parent) {
 	vlayout -> setMargin(0);
 	vlayout -> setSpacing(0);
 	vlayout -> addWidget(toolbar);
+	vlayout -> addLayout(hlayout);
 	vlayout -> addWidget(elements_panel);
 	vlayout -> setStretchFactor(elements_panel, 75000);
 	setLayout(vlayout);

elementspanelwidget.h

@@ -43,6 +43,7 @@ class ElementsPanelWidget : public QWidget {
 	QAction *new_category, *edit_category, *delete_category;
 	QAction *new_element,  *edit_element,  *delete_element;
 	QMenu *context_menu;
+	QLineEdit *filter_textfield;
 	
 	// methodes
 	public: