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WIP: generalized interface of properties page

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This commit is contained in:
Matthias Koefferlein
2022-10-06 21:31:16 +02:00
parent ddff1f564f
commit eb004e45e1
11 changed files with 117 additions and 236 deletions
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src/laybasic/laybasic/layProperties.h
+20 -66
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@@ -69,80 +69,33 @@ public:
virtual ~PropertiesPage ();
/**
* @brief Move the current pointer to the end of the selected objects list
*
* Must be implemented by the Editable function and must set the
* selected object pointer to past-the-end of the list. at_end () must
* return true after this.
* @brief Gets the number of entries represented by this page
*/
virtual void back () = 0;
virtual size_t count () const = 0;
/**
* @brief A helper function for the dialog that additionally reports
* if there are any elements in the selection
* @brief Selects the entries with the given indexes
*
* If multiple indexes are selected, the properties page shows
* all items with different values as "leave as is". Items with
* same value are shown with the given value.
*/
bool back_checked ()
virtual void select_entries (const std::vector<size_t> &entries) = 0;
/**
* @brief Convenience function to select a specific entry
*/
void select_entry (size_t entry)
{
back ();
return ! at_begin ();
std::vector<size_t> entries;
entries.push_back (entry);
select_entries (entries);
}
/**
* @brief Move the current pointer to the beginning of the selected objects list
*
* Must be implemented by the Editable function and must set the
* selected object pointer to the beginning of the list. at_begin () must
* return true after this.
* This method must return true, if there are any elements in the selection
* - i.e. operator++ () will be successful afterwards.
* @brief Gets a description text for the nth entry
*/
virtual void front () = 0;
/**
* @brief A helper function for the dialog that additionally reports
* if there are any elements in the selection
*/
bool front_checked ()
{
front ();
return ! at_end ();
}
/**
* @brief Tell if the current object references the first one
*
* Must be implemented by the Editable function and must return
* true if the current object is the first one - i.e. if an
* operator-- would render the status invalid.
* If no object is referenced, this method and at_end () must return true.
*/
virtual bool at_begin () const = 0;
/**
* @brief Tell if the current object references past the last one
*
* If the current object pointer is past the end of the selected
* object space,
*/
virtual bool at_end () const = 0;
/**
* @brief Step one element back
*
* This method is supposed to move the current pointer one position
* back. If at_begin () was true before, the result may be unpredictable.
* The dialog will call update () to update the display accordingly.
*/
virtual void operator-- () = 0;
/**
* @brief Advance one element
*
* This method is supposed to move the current pointer one position
* forward. If at_end () was true before, the result may be unpredictable.
* The dialog will call update () to update the display accordingly.
*/
virtual void operator++ () = 0;
virtual std::string description (size_t entry) const = 0;
/**
* @brief Update the display
@@ -176,7 +129,7 @@ public:
/**
* @brief Apply any changes to the current object
*
* Apply any changes to the current object. If nothing was
* Apply any changes to the current objects. If nothing was
* changed, the object may be left untouched.
* The dialog will start a transaction on the manager object.
*/
@@ -187,6 +140,7 @@ public:
/**
* @brief Returns true, if the properties page supports "apply all"
* @@@ TODO: remove
*/
virtual bool can_apply_to_all () const
{