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# copyright (C) 1997-2005 Jean-Luc Fontaine (mailto:jfontain@free.fr)
# this program is free software: please read the COPYRIGHT file enclosed in this package or use the Help Copyright menu
# $Id: viewtab.tcl,v 1.18 2005/01/02 00:45:07 jfontain Exp $
class viewTable {
if {$global::withGUI} {
set (monitorInstanceCellsMessage) [mc {in database history mode, can only monitor cells from a module instance data table}]
}
proc viewTable {this args} {
set ($this,nextRow) 0
}
proc ~viewTable {this} {
variable ${this}cellRow
catch {unset ${this}cellRow}
if {$global::withGUI} {
delete $($this,dataTable)
}
set dataName $($this,dataName)
incr ${dataName}(updates) ;# so related viewers can eventually show disappeared cells
unset $dataName
}
if {$global::withGUI} {
proc createTable {this dataName dragDataCommand} {
if {[info exists ($this,dataTable)]} { ;# useful in history mode
delete $($this,dataTable)
unset ($this,dataTable)
}
# wait till after completion before creating table since some options are not dynamically settable
set table [new dataTable $widget::($this,path)\
-data $dataName -draggable $composite::($this,-draggable) -background $viewer::(background)\
]
### hack: drag and drop code should be separated from dataTable which should provide a selected member procedure ###
# allow dropping of data cells ### use same path as drag path to avoid drops in table from table ###
viewer::setupDropSite $this $dataTable::($table,tablePath)
if {$composite::($this,-draggable)} {
# extend data table drag capabilities ### hack ### also eventually allow row selection only instead of cells ###
dragSite::provide $dataTable::($table,drag) OBJECTS $dragDataCommand
# intercept original data cells dragging
dragSite::provide $dataTable::($table,drag) DATACELLS $dragDataCommand
}
pack $widget::($table,path) -fill both -expand 1
set ($this,dataTable) $table
set ($this,dataName) $dataName
}
} else {
proc setDataName {this name} {
set ($this,dataName) $name
}
}
proc cells {this} { ;# return cells in creation (increasing row) order
variable ${this}cellRow
set lists {}
foreach {cell row} [array get ${this}cellRow] {
lappend lists [list $row $cell]
}
set cells {}
foreach list [lsort -integer -index 0 $lists] {
lappend cells [lindex $list end]
}
return $cells
}
proc setCellRows {this rows} { ;# restore cell to row mapping from a save file
set ($this,cellRows) $rows
set ($this,cellRowIndex) 0 ;# initialize cell row index in list of rows
}
proc row {this cell} {
variable ${this}cellRow
set row {}
catch {set row [set ${this}cellRow($cell)]}
return $row
}
proc register {this cell array} {
variable ${this}cellRow
viewer::registerTrace $this $array
if {[info exists ($this,cellRowIndex)]} { ;# restore cell row from recorded configuration
set row [lindex $($this,cellRows) $($this,cellRowIndex)]
if {[string length $row] == 0} { ;# rows list exhausted: we are done initializing from recorded data
unset ($this,cellRowIndex) ($this,cellRows)
set row $($this,nextRow)
} else {
incr ($this,cellRowIndex) ;# get ready for upcoming cell
if {$($this,nextRow) < $row} {set ($this,nextRow) $row} ;# make sure to eliminate potential conflicts
}
} else {
set row $($this,nextRow) ;# next row for this data table
}
set ${this}cellRow($cell) $row ;# remember cell row
incr ($this,nextRow)
return $row
}
proc cellsAndRows {this} {
variable ${this}cellRow
return [array get ${this}cellRow]
}
if {$global::withGUI} {
proc dragCells {this} {
variable ${this}cellRow
foreach {cell row} [array get ${this}cellRow] { ;# revert original cell / row mapping
set original($row) $cell
}
set cells {}
foreach cell [dataTable::dragData $($this,dataTable) DATACELLS] {
viewer::parse $cell array row column type
if {$column == 1} { ;# current value: replace with original cell to propagate color, for example
lappend cells $original($row)
} else {
lappend cells $cell
}
}
return $cells
}
proc deleteRow {this cell} {
variable ${this}cellRow
viewer::parse $cell array ignore ignore ignore
viewer::unregisterTrace $this $array
set row [set ${this}cellRow($cell)]
unset ${this}cellRow($cell)
return $row
}
# data index is needed so that data array that other eventual data viewers depend on is reused when initializing from save file
proc initializationConfiguration {this} {
variable ${this}cellRow
scan [namespace tail $($this,dataName)] %u index ;# retrieve index from data name
set list [list -dataindex $index]
foreach cell [cells $this] { ;# in creation order
lappend rows [set ${this}cellRow($cell)]
}
if {[info exists rows]} {
lappend list -cellrows $rows
}
return $list
}
proc numberOfRows {this} {
variable ${this}cellRow
return [array size ${this}cellRow]
}
proc monitored {this cell} {
variable ${this}cellRow
# either a current value cell or an internally generated cell:
return [expr {[info exists ${this}cellRow($cell)] || [dataTable::monitored $($this,dataTable) $cell]}]
}
proc setCellColor {this source color} { ;# useful for current value cell only, others are handled directly by data table
variable ${this}cellRow
foreach {cell row} [array get ${this}cellRow] {
if {[string equal $cell $source]} {
dataTable::setCellColor $($this,dataTable) $row 1 $color
return
}
}
}
proc selectedRows {this format} { ;# gather rows with at least 1 selected cell
foreach cell [dataTable::dragData $($this,dataTable) $format] {
regexp {\(([^,]+)} $cell dummy row
set selected($row) {}
}
return [array names selected]
}
proc update {this} {
dataTable::update $($this,dataTable)
}
proc updateLabels {this} {
variable ${this}cellRow
set dataName $($this,dataName)
foreach {cell row} [array get ${this}cellRow] {
viewer::parse $cell array cellRow cellColumn ignore
set ${dataName}($row,0) [lindex [viewer::label $array $cellRow $cellColumn] 0]
}
incr ${dataName}(updates) ;# let data table update itself
}
proc updateTitleLabels {this} {
dataTable::updateTitleLabels $($this,dataTable)
}
}
}
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