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Implemented a SQLite-based cache to speed up the elements panel loading.

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git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/branches/0.3@1329 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
xavier
2011-09-13 21:46:10 +00:00
parent 9f9c67f4cf
commit 2a6ecee31b
15 changed files with 399 additions and 11 deletions
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26
sources/elementspanel.cpp
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@@ -20,6 +20,7 @@
#include "qetproject.h"
#include "diagram.h"
#include "elementscategory.h"
#include "elementscollectioncache.h"
#include "customelement.h"
#include "fileelementscollection.h"
#include "fileelementdefinition.h"
@@ -89,7 +90,6 @@ ElementsPanel::ElementsPanel(QWidget *parent) :
first_activation_(true),
first_reload_(true)
{
// selection unique
setSelectionMode(QAbstractItemView::SingleSelection);
setColumnCount(1);
@@ -120,6 +120,10 @@ ElementsPanel::ElementsPanel(QWidget *parent) :
// emet un signal au lieu de gerer son menu contextuel
setContextMenuPolicy(Qt::CustomContextMenu);
QString cache_path = QETApp::configDir() + "/elements_cache.sqlite";
cache_ = new ElementsCollectionCache(cache_path, this);
cache_ -> setLocale(QLocale::system().name().left(2)); // @todo we need a unique function to get the good language
}
/**
@@ -644,7 +648,9 @@ QTreeWidgetItem *ElementsPanel::addDiagram(QTreeWidgetItem *qtwi_parent, Diagram
QTreeWidgetItem *ElementsPanel::addCollection(QTreeWidgetItem *qtwi_parent, ElementsCollection *collection, const QString &coll_name, const QIcon &icon) {
if (!collection) return(0);
cache_ -> beginCollection(collection);
QTreeWidgetItem *qtwi_coll = addCategory(qtwi_parent, collection -> rootCategory(), coll_name, icon);
cache_ -> endCollection(collection);
return(qtwi_coll);
}
@@ -704,21 +710,21 @@ QTreeWidgetItem *ElementsPanel::addCategory(QTreeWidgetItem *qtwi_parent, Elemen
QTreeWidgetItem *ElementsPanel::addElement(QTreeWidgetItem *qtwi_parent, ElementDefinition *element, const QString &elmt_name) {
if (!element) return(0);
QString whats_this = tr("Ceci est un \351l\351ment que vous pouvez ins\351rer dans votre sch\351ma par cliquer-d\351placer");
QString tool_tip = tr("Cliquer-d\351posez cet \351l\351ment sur le sch\351ma pour ins\351rer un \351l\351ment ");
int state;
CustomElement custom_elmt(element -> location(), 0, 0, &state);
if (state) {
qDebug() << "ElementsCategoriesList::addElement() : Le chargement du composant" << qPrintable(element -> location().toString()) << "a echoue avec le code d'erreur" << state;
if (!cache_ -> fetchElement(element)) {
return(0);
}
QString final_name(elmt_name.isEmpty() ? custom_elmt.name() : elmt_name);
QString custom_element_name = cache_ -> name();
QPixmap custom_element_pixmap = cache_ -> pixmap();
QString whats_this = tr("Ceci est un \351l\351ment que vous pouvez ins\351rer dans votre sch\351ma par cliquer-d\351placer");
QString tool_tip = tr("Cliquer-d\351posez cet \351l\351ment sur le sch\351ma pour ins\351rer un \351l\351ment ");
QString final_name(elmt_name.isEmpty() ? custom_element_name : elmt_name);
QTreeWidgetItem *qtwi = new QTreeWidgetItem(qtwi_parent, QStringList(final_name));
qtwi -> setStatusTip(0, tool_tip + "\253 " + custom_elmt.name() + " \273");
qtwi -> setStatusTip(0, tool_tip + "\253 " + custom_element_name + " \273");
qtwi -> setToolTip(0, element -> location().toString());
qtwi -> setWhatsThis(0, whats_this);
qtwi -> setFlags(Qt::ItemIsSelectable | Qt::ItemIsDragEnabled | Qt::ItemIsEnabled);
qtwi -> setIcon(0, QIcon(custom_elmt.pixmap()));
qtwi -> setIcon(0, QIcon(custom_element_pixmap));
// actions speciales pour les elements appartenant a un projet
if (QETProject *element_project = element -> location().project()) {