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Rapatriement de la branche 0.2 dans le trunk
git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@558 bfdf4180-ca20-0410-9c96-a3a8aa849046
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159
sources/diagramschooser.cpp
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159
sources/diagramschooser.cpp
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#include "diagramschooser.h"
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#include "qetproject.h"
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#include "diagram.h"
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/**
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Constructeur
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@param project Projet dont il faut afficher les schemas
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@param parent QWidget parent de ce widget
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*/
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DiagramsChooser::DiagramsChooser(QETProject *project, QWidget *parent) :
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QFrame(parent),
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project_(project),
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vlayout0_(0)
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{
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setFrameShadow(QFrame::Sunken);
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setFrameShape(QFrame::StyledPanel);
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setLineWidth(3);
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setMidLineWidth(3);
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updateList();
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}
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/**
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Destructeur
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*/
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DiagramsChooser::~DiagramsChooser() {
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}
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/**
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@return le projet dont ce widget affiche les schemas
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*/
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QETProject *DiagramsChooser::project() const {
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return(project_);
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}
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/**
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@return la liste des schemas selectionnes
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*/
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QList<Diagram *> DiagramsChooser::selectedDiagrams() const {
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QList<Diagram *> selected_diagrams;
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foreach(Diagram *diagram, project_ -> diagrams()) {
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QCheckBox *check_box = diagrams_[diagram];
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if (check_box && check_box -> isChecked()) {
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selected_diagrams << diagram;
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}
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}
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return(selected_diagrams);
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}
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/**
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@return la liste des schemas qui ne sont pas selectionnes
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*/
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QList<Diagram *> DiagramsChooser::nonSelectedDiagrams() const {
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QList<Diagram *> selected_diagrams;
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foreach(Diagram *diagram, diagrams_.keys()) {
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if (!(diagrams_[diagram] -> isChecked())) {
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selected_diagrams << diagram;
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}
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}
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return(selected_diagrams);
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}
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/**
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@param diagram Un schema cense etre present dans ce widget
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*/
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bool DiagramsChooser::diagramIsSelected(Diagram *const diagram) const {
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QCheckBox *checkbox = diagrams_.value(diagram);
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if (!checkbox) return(false);
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return(checkbox -> isChecked());
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}
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/**
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Selectionne les schemas contenus dans la liste diagrams_list
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@param diagrams_list Liste de schemas a selectionner
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@param select true pour selectionne les schemas de la liste, false pour les
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deselectionner
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@param reset true pour deselectionner tous les schemas avant de
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selectionner ceux de la liste
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*/
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void DiagramsChooser::setSelectedDiagrams(const QList<Diagram *> &diagrams_list, bool select, bool reset) {
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// evite d'emettre une rafale de signaux pour cette operation
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blockSignals(true);
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// deselectionne tous les schemas si demande
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if (reset) {
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foreach(QCheckBox *check_box, diagrams_.values()) {
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check_box -> setChecked(false);
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}
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}
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int changes = 0;
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QCheckBox *check_box;
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foreach(Diagram *diagram, diagrams_list) {
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if ((check_box = diagrams_[diagram])) {
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if (check_box -> isChecked() != select) {
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check_box -> setChecked(select);
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++ changes;
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}
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}
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}
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blockSignals(false);
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if (reset || changes) {
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emit(selectionChanged());
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}
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}
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/**
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Selectionne ou deselectionne tous les schemas
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@param select true pour selectionne les schemas de la liste, false pour les
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deselectionner
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*/
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void DiagramsChooser::setSelectedAllDiagrams(bool select) {
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blockSignals(true);
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foreach(QCheckBox *check_box, diagrams_.values()) {
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check_box -> setChecked(select);
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}
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blockSignals(false);
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emit(selectionChanged());
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}
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/**
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Met a jour la liste des schemas du projet
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*/
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void DiagramsChooser::updateList() {
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if (!project_) return;
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// retient la liste des schemas deja selectionnes
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QList<Diagram *> selected_diagrams = selectedDiagrams();
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// detruit les checkbox existantes
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QList<QCheckBox *> checkboxes = diagrams_.values();
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qDeleteAll(checkboxes.begin(), checkboxes.end());
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buildLayout();
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// recree les checkbox necessaires
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foreach(Diagram *diagram, project_ -> diagrams()) {
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// titre du schema
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QString diagram_title = diagram -> title();
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if (diagram_title.isEmpty()) diagram_title = tr("Sch\351ma sans titre");
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QCheckBox *checkbox = new QCheckBox(diagram_title);
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checkbox -> setSizePolicy(QSizePolicy(QSizePolicy::Preferred, QSizePolicy::Maximum));
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checkbox -> setChecked(selected_diagrams.contains(diagram));
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connect(checkbox, SIGNAL(toggled(bool)), this, SIGNAL(selectionChanged()));
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diagrams_.insert(diagram, checkbox);
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vlayout0_ -> addWidget(checkbox, 0, Qt::AlignLeft | Qt::AlignTop);
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}
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vlayout0_ -> addStretch();
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}
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/**
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Met en place la disposition du widget
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*/
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void DiagramsChooser::buildLayout() {
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if (vlayout0_) return;
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vlayout0_ = new QVBoxLayout();
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setLayout(vlayout0_);
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}
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