Revision: 41770
http://brlcad.svn.sourceforge.net/brlcad/?rev=41770&view=rev
Author: bob1961
Date: 2010-12-22 14:46:48 +0000 (Wed, 22 Dec 2010)
Log Message:
-----------
Started adding behaviors similar to what's in Excel w.r.t. cell traversal and
editing.
Modified Paths:
--------------
brlcad/trunk/src/tclscripts/lib/TkTable.tcl
Modified: brlcad/trunk/src/tclscripts/lib/TkTable.tcl
===================================================================
--- brlcad/trunk/src/tclscripts/lib/TkTable.tcl 2010-12-22 14:42:15 UTC (rev
41769)
+++ brlcad/trunk/src/tclscripts/lib/TkTable.tcl 2010-12-22 14:46:48 UTC (rev
41770)
@@ -31,6 +31,8 @@
itk_option define -dataCallback dataCallback DataCallback ""
itk_option define -tablePopupHandler tablePopupHandler TablePopupHandler ""
+ itk_option define -validatecommand validatecommand ValidateCommand ""
+ itk_option define -vclientdata vclientdata VClientData ""
public {
method setDataEntry {_index _val}
@@ -40,12 +42,25 @@
}
protected {
+ variable mNumCols 3
+ variable mLastCol 2
+ variable mNumRows 10
+ variable mLastRow 9
variable mTableDataVar
variable mTableHeadings
variable mToggleSelectMode 0
+ variable mInsertMode 0
+ variable mDoBreak 0
+ method doBreak {}
+ method handleKey {_win _key}
+ method handleLeftRight {_win _sflag}
method handleTablePopup {_win _x _y _X _Y}
+ method handleUpDown {_win _key}
+ method keyVisible {_key}
+ method setInsertMode {_imode}
method toggleSelect {_win _x _y}
+ method validateTableEntry {_row _col _newval}
}
private {}
@@ -56,6 +71,7 @@
# ------------------------------------------------------------
+
# ------------------------------------------------------------
# CONSTRUCTOR
# ------------------------------------------------------------
@@ -64,11 +80,16 @@
set mTableDataVar $_datavar
set mTableHeadings $_headings
- set numcols [llength $_headings]
+ set mNumCols [llength $_headings]
+ set mLastCol [expr {$mNumCols - 1}]
itk_component add table {
::table $itk_interior.table \
- -cols $numcols \
+ -state disabled \
+ -titlecols 0 \
+ -titlerows 1 \
+ -cols $mNumCols \
+ -validatecommand [::itcl::code $this validateTableEntry %r %c %S] \
-variable $mTableDataVar
} {
keep -anchor -autoclear -background -bordercursor -borderwidth \
@@ -81,12 +102,16 @@
-maxwidth -multiline -padx -pady -relief -resizeborders -rowheight \
-roworigin -rows -rowseparator -rowstretchmode -rowtagcommand \
-selectioncommand -selectmode -selecttitles -selecttype
-sparsearray \
- -state -takefocus -titlecols -titlerows -usecommand -validate \
- -validatecommand -width -wrap
+ -takefocus -usecommand -validate \
+ -width -wrap
}
# Hide these options from users of TkTable
#-cols
+#-state
+#-titlecols
+#-titlerows
+#-validatecommand
#-variable
#-xscrollcommand -yscrollcommand
@@ -121,17 +146,34 @@
grid rowconfigure $itk_interior 0 -weight 1
- bind $itk_component(table) <Button-1> [::itcl::code $this toggleSelect %W
%x %y]
+ # Button Bindings
+ bind $itk_component(table) <Button-1> "[::itcl::code $this toggleSelect %W
%x %y]; if {\[[::itcl::code $this doBreak]\]} {break}"
bind $itk_component(table) <Button-3> [::itcl::code $this handleTablePopup
%W %x %y %X %Y]
bind $itk_component(table) <B3-Motion>
+ # Key Bindings
+ bind $itk_component(table) <Key> "[::itcl::code $this handleKey %W %K]; if
{\[[::itcl::code $this doBreak]\]} {break}"
+ bind $itk_component(table) <Key-Tab> "[::itcl::code $this handleLeftRight
%W 0]; break"
+# bind $itk_component(table) <Shift-Key-Tab> "[::itcl::code $this
handleLeftRight %W 1]; break"
+ bind $itk_component(table) <<PrevWindow>> "[::itcl::code $this
handleLeftRight %W 1]; break"
+ bind $itk_component(table) <Key-Left> "[::itcl::code $this handleLeftRight
%W 1]; break"
+ bind $itk_component(table) <Key-Right> "[::itcl::code $this
handleLeftRight %W 0]; break"
+ bind $itk_component(table) <Control-Key-Left> {%W icursor [expr {[%W
icursor]-1}]; break}
+ bind $itk_component(table) <Control-Key-Right> {%W icursor [expr {[%W
icursor]+1}]; break}
+ bind $itk_component(table) <Key-Up> "[::itcl::code $this handleUpDown %W
%K]; break"
+ bind $itk_component(table) <Key-Down> "[::itcl::code $this handleUpDown %W
%K]; break"
+
+ set bg [$itk_component(table) tag cget title -background]
$itk_component(table) tag col select_col 0
$itk_component(table) tag configure select_col \
+ -background $bg \
-relief raised
$itk_component(table) tag configure title \
-relief raised
eval itk_initialize $args
+ set mNumRows [$itk_component(table) cget -rows]
+ set mLastRow [expr {$mNumRows - 1}]
}
# ------------------------------------------------------------
@@ -149,6 +191,7 @@
set row 1
while {[info exists $mTableDataVar\($row,$_col\)]} {
set $mTableDataVar\($row,$_col\) $_val
+
incr row
}
@@ -174,6 +217,98 @@
# PROTECTED METHODS
# ------------------------------------------------------------
+::itcl::body cadwidgets::TkTable::doBreak {} {
+ return $mDoBreak
+}
+
+::itcl::body cadwidgets::TkTable::handleKey {_win _key} {
+ set index [$_win index active]
+ set ilist [split $index ,]
+ set col [lindex $ilist 1]
+
+ if {$col != 0 && $_key != "Down" && $_key != "Up" && !$mInsertMode} {
+ set mDoBreak 1
+ setInsertMode 1
+
+ # Overwrite what's in the cell
+ if {[keyVisible $_key]} {
+ if {$itk_option(-validatecommand) != ""} {
+ set row [lindex $ilist 0]
+ if {[catch {$itk_option(-validatecommand) $row $col $_key
$itk_option(-vclientdata)} isvalid]} {
+ set isvalid 0
+ }
+ } else {
+ set isvalid 1
+ }
+
+ if {$isvalid} {
+ setTableVal $index $_key
+ }
+ } else {
+ setInsertMode 0
+ return
+ }
+ } else {
+ if {$col == 0} {
+ set mDoBreak 1
+
+ if {![info exists $mTableDataVar\($index\)] || $_key == "Shift_L"
|| $_key == "Shift_R"} {
+ return
+ }
+
+ if {[set [subst $mTableDataVar\($index\)]] == "*"} {
+ setTableVal $index ""
+ } else {
+ setTableVal $index "*"
+ }
+ } else {
+ set mDoBreak 0
+ }
+ }
+}
+
+::itcl::body cadwidgets::TkTable::handleLeftRight {_win _sflag} {
+ set index [$_win index active]
+ set ilist [split $index ,]
+ set row [lindex $ilist 0]
+ set col [lindex $ilist 1]
+
+ # This is a <<PrevWindow>> or <Shift-Tab>
+ if {$_sflag} {
+ incr col -1
+ if {$col < 0} {
+ if {$row > 1} {
+ # Advance to last column of the previous row
+ set col $mLastCol
+ incr row -1
+ } else {
+ # Stop traversing
+ set col 0
+ }
+ }
+ } else {
+ incr col
+ if {$col >= $mNumCols} {
+ if {$row < $mNumRows} {
+ # Advance to first column of the next row
+ set col 0
+ incr row
+ } else {
+ # Stop traversing
+ incr col -1
+ }
+ }
+ }
+
+ $itk_component(table) selection clear all
+ $itk_component(table) activate $row,$col
+ $itk_component(table) selection set $row,$col
+
+ if {$mInsertMode} {
+ setInsertMode 0
+ }
+}
+
::itcl::body cadwidgets::TkTable::handleTablePopup {_win _x _y _X _Y} {
if {$itk_option(-tablePopupHandler) == ""} {
return
@@ -183,16 +318,80 @@
catch {$itk_option(-tablePopupHandler) $index $_X $_Y}
}
+::itcl::body cadwidgets::TkTable::handleUpDown {_win _key} {
+ set index [$_win index active]
+ set ilist [split $index ,]
+ set row [lindex $ilist 0]
+ set col [lindex $ilist 1]
+
+ if {$_key == "Up"} {
+ incr row -1
+ if {$row < 1} {
+ set row 1
+ }
+ } else {
+ incr row
+ if {$row > $mNumRows} {
+ set row $mLastRow
+ }
+ }
+
+ $itk_component(table) selection clear all
+ $itk_component(table) activate $row,$col
+ $itk_component(table) selection set $row,$col
+
+ if {$mInsertMode} {
+ setInsertMode 0
+ }
+}
+
+::itcl::body cadwidgets::TkTable::keyVisible {_key} {
+ if {[string length $_key] == 1} {
+ return 1
+ }
+
+ return 0
+}
+
+::itcl::body cadwidgets::TkTable::setInsertMode {_imode} {
+ set mInsertMode $_imode
+
+ if {$mInsertMode} {
+ $itk_component(table) configure -state normal
+ bind $itk_component(table) <Key-Left> {%W icursor [expr {[%W
icursor]-1}]; break}
+ bind $itk_component(table) <Key-Right> {%W icursor [expr {[%W
icursor]+1}]; break}
+ } else {
+ $itk_component(table) configure -state disabled
+ bind $itk_component(table) <Key-Right> "[::itcl::code $this
handleLeftRight %W 0]; break"
+ bind $itk_component(table) <Key-Left> "[::itcl::code $this
handleLeftRight %W 1]; break"
+ }
+}
+
::itcl::body cadwidgets::TkTable::toggleSelect {_win _x _y} {
set index [$_win index @$_x,$_y]
set ilist [split $index ,]
+ set row [lindex $ilist 0]
set col [lindex $ilist 1]
if {$col != 0} {
+ set mDoBreak 0
+
+ if {![catch {$_win index active} aindex]} {
+ set ailist [split $aindex ,]
+ set arow [lindex $ailist 0]
+ set acol [lindex $ailist 1]
+
+ if {$row == $arow && $col == $acol} {
+ setInsertMode 1
+ } else {
+ setInsertMode 0
+ }
+ }
+
return
}
- set row [lindex $ilist 0]
+ set mDoBreak 1
if {![info exists $mTableDataVar\($row,$col\)]} {
return
}
@@ -222,6 +421,22 @@
}
}
+::itcl::body cadwidgets::TkTable::validateTableEntry {_row _col _newval} {
+ if {$itk_option(-validatecommand) != ""} {
+ if {[catch {$itk_option(-validatecommand) $_row $_col $_newval
$itk_option(-vclientdata)} isvalid]} {
+ # Always invalid
+ return 0
+ }
+
+ # Validity depends on -validatecommand
+ return $isvalid
+ }
+
+ # Always valid
+ return 1
+}
+
+
# Local Variables:
# mode: Tcl
# tab-width: 8
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