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Implemented drag'n drop of title block templates to diagrams + automatic integration in the parent project

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git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/branches/0.3@1471 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
xavier
2012-01-22 10:40:37 +00:00
parent 1ef2a0421a
commit 4795ed206d
10 changed files with 560 additions and 15 deletions
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90
sources/diagramview.cpp
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@@ -27,10 +27,12 @@
#include "elementtextitem.h"
#include "independenttextitem.h"
#include "titleblockpropertieswidget.h"
#include "templatelocation.h"
#include "qetapp.h"
#include "qetproject.h"
#include "borderpropertieswidget.h"
#include "integrationmoveelementshandler.h"
#include "integrationmovetemplateshandler.h"
#include "qetdiagrameditor.h"
#include "qeticons.h"
#include "qetmessagebox.h"
@@ -73,6 +75,11 @@ DiagramView::DiagramView(Diagram *diagram, QWidget *parent) : QGraphicsView(pare
connect(&(scene -> undoStack()), SIGNAL(cleanChanged(bool)), this, SLOT(updateWindowTitle()));
connect(this, SIGNAL(aboutToAddElement()), this, SLOT(addDroppedElement()), Qt::QueuedConnection);
connect(
this, SIGNAL(aboutToSetDroppedTitleBlockTemplate(const TitleBlockTemplateLocation &)),
this, SLOT(setDroppedTitleBlockTemplate(const TitleBlockTemplateLocation &)),
Qt::QueuedConnection
);
QShortcut *edit_conductor_color_shortcut = new QShortcut(QKeySequence(Qt::Key_F2), this);
connect(edit_conductor_color_shortcut, SIGNAL(activated()), this, SLOT(editSelectedConductorColor()));
}
@@ -205,6 +212,8 @@ void DiagramView::rotateTexts() {
void DiagramView::dragEnterEvent(QDragEnterEvent *e) {
if (e -> mimeData() -> hasFormat("application/x-qet-element-uri")) {
e -> acceptProposedAction();
} else if (e -> mimeData() -> hasFormat("application/x-qet-titleblock-uri")) {
e -> acceptProposedAction();
} else {
e -> ignore();
}
@@ -228,13 +237,26 @@ void DiagramView::dragMoveEvent(QDragMoveEvent *e) {
}
/**
Gere les depots (drop) acceptes sur le schema. Cette methode emet le signal
aboutToAddElement si l'element depose est accessible.
@param e le QDropEvent correspondant au drag'n drop effectue
Handle the drops accepted on diagram (elements and title block templates).
@param e the QDropEvent describing the current drag'n drop
*/
void DiagramView::dropEvent(QDropEvent *e) {
// recupere l'emplacement de l'element depuis le drag'n drop
if (e -> mimeData() -> hasFormat("application/x-qet-element-uri")) {
handleElementDrop(e);
} else if (e -> mimeData() -> hasFormat("application/x-qet-titleblock-uri")) {
handleTitleBlockDrop(e);
}
}
/**
Handle the drop of an element.
@param e the QDropEvent describing the current drag'n drop
*/
void DiagramView::handleElementDrop(QDropEvent *e) {
// fetch the element location from the drop event
QString elmt_path = e -> mimeData() -> text();
ElementsLocation location(ElementsLocation::locationFromString(elmt_path));
// verifie qu'il existe un element correspondant a cet emplacement
@@ -247,6 +269,19 @@ void DiagramView::dropEvent(QDropEvent *e) {
emit(aboutToAddElement());
}
/**
Handle the drop of an element.
@param e the QDropEvent describing the current drag'n drop
*/
void DiagramView::handleTitleBlockDrop(QDropEvent *e) {
// fetch the title block template location from the drop event
TitleBlockTemplateLocation tbt_loc;
tbt_loc.fromString(e -> mimeData() -> text());
if (tbt_loc.isValid()) {
emit(aboutToSetDroppedTitleBlockTemplate(tbt_loc));
}
}
/**
Passe le Diagram en mode visualisation
*/
@@ -672,6 +707,20 @@ bool DiagramView::mustIntegrateElement(const ElementsLocation &location) const {
return(must_integrate_element);
}
/**
@param tbt_loc A title block template location
@return true if the title block template needs to be integrated in the
parent project before being applied to the current diagram, or false if it
can be directly applied
*/
bool DiagramView::mustIntegrateTitleBlockTemplate(const TitleBlockTemplateLocation &tbt_loc) const {
// unlike elements, the integration of title block templates is mandatory, so we simply check whether the parent project of the
QETProject *tbt_parent_project = tbt_loc.parentProject();
if (!tbt_parent_project) return(true);
return(tbt_parent_project != scene -> project());
}
/**
@param location Emplacement de l'element a ajouter sur le schema
@param pos Position (dans les coordonnees de la vue) a laquelle l'element sera ajoute
@@ -1095,7 +1144,7 @@ void DiagramView::mouseDoubleClickEvent(QMouseEvent *e) {
}
/**
Cette methode ajoute l'element deisgne par l'emplacement location a la
Cette methode ajoute l'element designe par l'emplacement location a la
position pos. Si necessaire, elle demande l'integration de l'element au
projet.
@see mustIntegrateElement
@@ -1119,3 +1168,34 @@ void DiagramView::addDroppedElement() {
}
adjustSceneRect();
}
/**
@param tbt TitleBlockTemplateLocation
*/
void DiagramView::setDroppedTitleBlockTemplate(const TitleBlockTemplateLocation &tbt) {
// fetch the current title block properties
TitleBlockProperties titleblock_properties_before = scene -> border_and_titleblock.exportTitleBlock();
// check the provided template is not already applied
QETProject *tbt_parent_project = tbt.parentProject();
if (tbt_parent_project && tbt_parent_project == scene -> project()) {
// same parent project and same name = same title block template
if (tbt.name() == titleblock_properties_before.template_name) return;
}
// integrate the provided template into the project if needed
QString integrated_template_name = tbt.name();
if (mustIntegrateTitleBlockTemplate(tbt)) {
IntegrationMoveTitleBlockTemplatesHandler *handler = new IntegrationMoveTitleBlockTemplatesHandler(this);
//QString error_message;
integrated_template_name = scene -> project() -> integrateTitleBlockTemplate(tbt, handler);
if (integrated_template_name.isEmpty()) return;
}
// apply the provided title block template
if (titleblock_properties_before.template_name == integrated_template_name) return;
TitleBlockProperties titleblock_properties_after = titleblock_properties_before;
titleblock_properties_after.template_name = integrated_template_name;
scene -> undoStack().push(new ChangeTitleBlockCommand(scene, titleblock_properties_before, titleblock_properties_after));
adjustSceneRect();
}