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Disable deletion if a terminal can't be deleted.

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In case of user try to delete a terminal element who is bridged
or belong to a physical terminal with more than one level, the deletion
is aborted to avoid mistake in the terminal strip parent of the terminal
element. A dialog is opened when the deletion can't be to explain to
user what to do for enable the deletion.
This commit is contained in:
joshua
2025-07-24 22:24:15 +02:00
parent a121fbe530
commit 74b55f3bf5
5 changed files with 60 additions and 8 deletions
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32
sources/undocommand/deleteqgraphicsitemcommand.cpp
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@@ -28,6 +28,8 @@
#include "../qetgraphicsitem/elementtextitemgroup.h"
#include "../qetgraphicsitem/terminal.h"
#include "addelementtextcommand.h"
#include "../TerminalStrip/realterminal.h"
#include "../TerminalStrip/physicalterminal.h"
/**
@brief DeleteQGraphicsItemCommand::DeleteQGraphicsItemCommand
@@ -115,6 +117,36 @@ DeleteQGraphicsItemCommand::~DeleteQGraphicsItemCommand()
m_diagram->qgiManager().release(m_removed_contents.items(DiagramContent::All));
}
/**
* @brief DeleteQGraphicsItemCommand::hasNonDeletableTerminal
* Return true if @content have terminal element which can't be deleted.
* The reason why a terminal can't be deleted is because they have bridge
* or belong to a physical terminal with more than one level.
* @param diagram
* @param content
* @param dialog
* @return
*/
bool DeleteQGraphicsItemCommand::hasNonDeletableTerminal(const DiagramContent &content)
{
if (!content.m_terminal_elements.isEmpty())
{
for (const auto &terminal : content.m_terminal_elements)
{
if (!terminal.isNull())
{
if (terminal->parentTerminalStrip()
&& (terminal->realTerminal()->isBridged()
|| terminal->realTerminal()->physicalTerminal()->levelCount() != 1)) {
return true;
}
}
}
}
return false;
}
/**
@brief DeleteQGraphicsItemCommand::setPotentialsOfRemovedElements
This function creates new conductors (if needed) for conserve the electrical potentials