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Changed the way the application loads elements collections.

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git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/branches/0.3@1217 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
xavier
2011-03-15 20:06:40 +00:00
parent 2b537f1f28
commit cf6ebf8f0f
7 changed files with 177 additions and 21 deletions
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48
sources/elementspanelwidget.cpp
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@@ -44,6 +44,10 @@
@param parent Le QWidget parent de ce widget
*/
ElementsPanelWidget::ElementsPanelWidget(QWidget *parent) : QWidget(parent) {
// initialize the progress bar (hidden by default)
progress_bar_ = new QProgressBar(this);
progress_bar_ -> setVisible(false);
progress_bar_ -> setTextVisible(true);
// initalise le panel d'elements
elements_panel = new ElementsPanel(this);
@@ -124,6 +128,9 @@ ElementsPanelWidget::ElementsPanelWidget(QWidget *parent) : QWidget(parent) {
SLOT(handleMoveElementsRequest(ElementsCollectionItem *, ElementsCollectionItem *, const QPoint &)),
Qt::QueuedConnection
);
connect(elements_panel, SIGNAL(loadingProgressed(int, int)), this, SLOT(updateProgressBar(int, int)));
connect(elements_panel, SIGNAL(readingAboutToBegin()), this, SLOT(collectionsRead()));
connect(elements_panel, SIGNAL(readingFinished()), this, SLOT(collectionsReadFinished()));
// initialise la barre d'outils
toolbar = new QToolBar(this);
@@ -146,6 +153,7 @@ ElementsPanelWidget::ElementsPanelWidget(QWidget *parent) : QWidget(parent) {
vlayout -> addWidget(toolbar);
vlayout -> addWidget(filter_toolbar);
vlayout -> addWidget(elements_panel);
vlayout -> addWidget(progress_bar_);
vlayout -> setStretchFactor(elements_panel, 75000);
setLayout(vlayout);
}
@@ -171,7 +179,7 @@ void ElementsPanelWidget::clearFilterTextField() {
*/
void ElementsPanelWidget::reloadAndFilter() {
// recharge tous les elements
elements_panel -> reload();
elements_panel -> reload(true);
// reapplique le filtre
elements_panel -> filter(filter_textfield -> text());
@@ -530,6 +538,44 @@ void ElementsPanelWidget::copyElements() {
copyElements(dnd_item_src_, dnd_item_dst_);
}
/**
Reflects the fact that collections are being read (i.e from filesystem) in
the progress bar.
*/
void ElementsPanelWidget::collectionsRead() {
progress_bar_ -> setMinimum(0);
progress_bar_ -> setMaximum(1);
progress_bar_ -> setValue(0);
progress_bar_ -> setFormat(tr("Lecture...", "Reading of elements/categories files"));
progress_bar_ -> setVisible(true);
}
/**
Reflects the fact that collections being read (i.e from filesystem) in the
progress bar.
*/
void ElementsPanelWidget::collectionsReadFinished() {
progress_bar_ -> setFormat(tr("Chargement : %p%", "Visual rendering of elements/categories files - %p is the progress percentage"));
}
/**
Updates the progress bar
@param current value that should be displayed
@param maximum maximum expected value; -1 means "use the previously known one"
*/
void ElementsPanelWidget::updateProgressBar(int current, int maximum) {
int provided_maximum = maximum == -1 ? progress_bar_ -> maximum() : maximum;
if (provided_maximum != progress_bar_ -> maximum()) {
progress_bar_ -> setMaximum(maximum);
}
if (!current) {
progress_bar_ -> setVisible(true);
} else if (current == provided_maximum) {
QTimer::singleShot(500, progress_bar_, SLOT(hide()));
}
progress_bar_ -> setValue(current);
}
/**
Copie l'item src dans l'item dst
*/