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Title block template editor: the "Merge cells" and "Splti cell" actions are now enabled and disabled depending on what is currently selected.

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git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/branches/0.3@1546 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
xavier
2012-03-04 18:27:37 +00:00
parent ae39ee4713
commit b189c72fd9
5 changed files with 79 additions and 33 deletions
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54
sources/titleblock/templatecommands.cpp
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@@ -577,8 +577,7 @@ MergeCellsCommand::MergeCellsCommand(const TitleBlockTemplateCellsSet &merged_ce
row_span_after_(-1),
col_span_after_(-1)
{
// basic check
if (merged_cells.count() < 2) return;
if (!canMerge(merged_cells, tbtemplate)) return;
// the spanning cell is the top left cell
TitleBlockTemplateVisualCell *top_left_cell = merged_cells.topLeftCell();
@@ -617,6 +616,25 @@ MergeCellsCommand::MergeCellsCommand(const TitleBlockTemplateCellsSet &merged_ce
MergeCellsCommand::~MergeCellsCommand() {
}
/**
@param merged_cells Cell sto be merged.
@param tbtemplate Modified title block template.
@return true if the merge is feasible, false otherwise
*/
bool MergeCellsCommand::canMerge(const TitleBlockTemplateCellsSet &merged_cells, TitleBlockTemplate *tbtemplate) {
// basic checks
if (!merged_cells.isRectangle()) return(false);
if (merged_cells.count() < 2) return(false);
// the spanning cell is the top left cell
TitleBlockTemplateVisualCell *top_left_cell = merged_cells.topLeftCell();
if (!top_left_cell || !top_left_cell -> cell()) return(false);
if (!getBottomRightCell(merged_cells)) return(false);
return(true);
}
/**
@return true if this command object is valid and usable, false otherwise.
*/
@@ -703,17 +721,10 @@ SplitCellsCommand::SplitCellsCommand(const TitleBlockTemplateCellsSet &splitted_
row_span_before_(-1),
col_span_before_(-1)
{
// basic check: the command applies to a single visual cell only
if (splitted_cells.count() != 1) return;
// fetch the spanning cell
spanning_cell_ = splitted_cells.first() -> cell();
if (!spanning_cell_) return;
// ensure the cell spans over other cells and therefore can be splitted
if (!spanning_cell_ -> spans()) return;
if (!canSplit(splitted_cells, tbtemplate)) return;
// retrieve values necessary for the undo operation
spanning_cell_ = splitted_cells.first() -> cell();
spanned_cells_ = tbtemplate_ -> spannedCells(spanning_cell_);
row_span_before_ = spanning_cell_ -> row_span;
col_span_before_ = spanning_cell_ -> col_span;
@@ -734,6 +745,27 @@ SplitCellsCommand::SplitCellsCommand(const TitleBlockTemplateCellsSet &splitted_
SplitCellsCommand::~SplitCellsCommand() {
}
/**
@param splitted_cells Cell to be splitted.
@param tbtemplate Modified title block template.
@return true if the split is feasible, false otherwise
*/
bool SplitCellsCommand::canSplit(const TitleBlockTemplateCellsSet &splitted_cells, TitleBlockTemplate *tbtemplate) {
Q_UNUSED(tbtemplate)
// basic check: the command applies to a single visual cell only
if (splitted_cells.count() != 1) return(false);
// fetch the spanning cell
TitleBlockCell *spanning_cell = splitted_cells.first() -> cell();
if (!spanning_cell) return(false);
// ensure the cell spans over other cells and therefore can be splitted
if (!spanning_cell -> spans()) return(false);
return(true);
}
/**
@return true if this command object is valid and usable, false otherwise.
*/