kotschak/qelectrotech-source-mirror
0
0
Fork 0
mirror of https://github.com/qelectrotech/qelectrotech-source-mirror.git synced 2025-12-21 00:30:53 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

Revamp the class link and unlink element command

Browse Source 
git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@4001 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
blacksun
2015-06-08 18:18:35 +00:00
parent 5a81f9859f
commit e195ab634e
8 changed files with 369 additions and 214 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
sources/ui/masterpropertieswidget.cpp
View File

@@ -20,9 +20,9 @@
#include <QListWidgetItem>
#include <diagramposition.h>
#include <elementprovider.h>
#include <diagramcommands.h>
#include <diagram.h>
#include <element.h>
#include <linkelementcommand.h>
/**
* @brief MasterPropertiesWidget::MasterPropertiesWidget
@@ -109,43 +109,35 @@ void MasterPropertiesWidget::reset() {
* If no change return nullptr.
* @return
*/
QUndoCommand* MasterPropertiesWidget::associatedUndo() const {
QUndoCommand* MasterPropertiesWidget::associatedUndo() const
{
QList <Element *> to_link;
QList <Element *> linked_ = m_element->linkedElements();
for (int i=0; i<ui->linked_list->count(); i++) {
for (int i=0; i<ui->linked_list->count(); i++)
to_link << lwi_hash[ui->linked_list->item(i)];
//The two list contain the same element, there is no change
if (to_link.size() == linked_.size())
{
bool equal = true;
foreach(Element *elmt, to_link)
if (!linked_.contains(elmt))
equal = false;
if(equal)
return nullptr;
}
//If same element are find in to_link and linked, that means
// element are already linked, so we remove element on the two list
//if linked_ contains element at the end of the operation,
//that means this element must be unlinked from @m_element
foreach (Element *elmt, to_link) {
if(linked_.contains(elmt)) {
to_link.removeAll(elmt);
linked_.removeAll(elmt);
}
}
LinkElementCommand *undo = new LinkElementCommand(m_element);
// if two list, contain element, we link and unlink @m_element with corresponding
//undo command, and add first command for parent of the second, user see only one
//undo command
if (linked_.count() && to_link.count()) {
LinkElementsCommand *lec = new LinkElementsCommand(m_element, to_link);
new unlinkElementsCommand(m_element, linked_, lec);
return lec;
}
//Else do the single undo command corresponding to the link.
else if (to_link.count()) {
return (new LinkElementsCommand(m_element, to_link));
}
else if (linked_.count()) {
return (new unlinkElementsCommand(m_element, linked_));
}
else {
return nullptr;
}
if (to_link.isEmpty())
undo->unlinkAll();
else
undo->setLink(to_link);
return undo;
}
/**