Move bundled copy of sqlite one level deeper to better separate it...

third_party/sqlite/ext/rtree/viewrtree.tcl

-
-load ./libsqlite3.dylib
-#package require sqlite3
-source [file join [file dirname $argv0] rtree_util.tcl]
-
-wm title . "SQLite r-tree viewer"
-
-if {[llength $argv]!=1} {
-  puts stderr "Usage: $argv0 <database-file>"
-  puts stderr ""
-  exit
-}
-sqlite3 db [lindex $argv 0]
-
-canvas .c -background white -width 400 -height 300 -highlightthickness 0
-
-button .b -text "Parent Node" -command {
-  set sql "SELECT parentnode FROM $::O(zTab)_parent WHERE nodeno = $::O(iNode)"
-  set ::O(iNode) [db one $sql]
-  if {$::O(iNode) eq ""} {set ::O(iNode) 1}
-  view_node
-}
-
-set O(iNode) 1
-set O(zTab) ""
-set O(listbox_captions)  [list]
-set O(listbox_itemmap)   [list]
-set O(listbox_highlight) -1
-
-listbox   .l -listvariable ::O(listbox_captions) -yscrollcommand {.ls set}
-scrollbar .ls -command {.l yview}
-label     .status -font courier -anchor w
-label     .title -anchor w -text "Node 1:" -background white -borderwidth 0
-
-
-set rtree_tables [list]
-db eval {
-  SELECT name 
-  FROM sqlite_master 
-  WHERE type='table' AND sql LIKE '%virtual%table%using%rtree%'
-} {
-  set nCol [expr [llength [db eval "pragma table_info($name)"]]/6]
-  if {$nCol != 5} {
-    puts stderr "Not viewing $name - is not 2-dimensional"
-  } else {
-    lappend rtree_tables [list Table $name]
-  }
-}
-if {$rtree_tables eq ""} {
-  puts stderr "Cannot find an r-tree table in database [lindex $argv 0]"
-  puts stderr ""
-  exit
-}
-eval tk_optionMenu .select option_var $rtree_tables
-trace add variable option_var write set_option_var
-proc set_option_var {args} {
-  set ::O(zTab) [lindex $::option_var 1]
-  set ::O(iNode) 1
-  view_node
-}
-set ::O(zTab) [lindex $::rtree_tables 0 1]
-
-bind .l <1> {listbox_click [.l nearest %y]}
-bind .l <Motion> {listbox_mouseover [.l nearest %y]}
-bind .l <Leave>  {listbox_mouseover -1}
-
-proc listbox_click {sel} {
-  if {$sel ne ""} {
-    set ::O(iNode) [lindex $::O(listbox_captions) $sel 1]
-    view_node
-  }
-}
-proc listbox_mouseover {i} {
-  set oldid [lindex $::O(listbox_itemmap) $::O(listbox_highlight)]
-  .c itemconfigure $oldid -fill ""
-
-  .l selection clear 0 end
-  .status configure -text ""
-  if {$i>=0} {
-    set id [lindex $::O(listbox_itemmap) $i]
-    .c itemconfigure $id -fill grey
-    .c lower $id
-    set ::O(listbox_highlight) $i
-    .l selection set $i
-    .status configure -text [cell_report db $::O(zTab) $::O(iNode) $i]
-  }
-}
-
-grid configure .select  -row 0 -column 0 -columnspan 2 -sticky nsew
-grid configure .b       -row 1 -column 0 -columnspan 2 -sticky nsew
-grid configure .l       -row 2 -column 0               -sticky nsew
-grid configure .status  -row 3 -column 0 -columnspan 3 -sticky nsew
-
-grid configure .title   -row 0 -column 2               -sticky nsew
-grid configure .c       -row 1 -column 2 -rowspan 2    -sticky nsew
-grid configure .ls      -row 2 -column 1               -sticky nsew
-
-grid columnconfigure . 2 -weight 1
-grid rowconfigure    . 2 -weight 1
-
-proc node_bbox {data} {
-  set xmin 0
-  set xmax 0
-  set ymin 0
-  set ymax 0
-  foreach {rowid xmin xmax ymin ymax} [lindex $data 0] break
-  foreach cell [lrange $data 1 end] {
-    foreach {rowid x1 x2 y1 y2} $cell break
-    if {$x1 < $xmin} {set xmin $x1}
-    if {$x2 > $xmax} {set xmax $x2}
-    if {$y1 < $ymin} {set ymin $y1}
-    if {$y2 > $ymax} {set ymax $y2}
-  }
-  list $xmin $xmax $ymin $ymax
-}
-
-proc view_node {} {
-  set iNode $::O(iNode)
-  set zTab $::O(zTab)
-
-  set data [rtree_node db $zTab $iNode 12]
-  set depth [rtree_nodedepth db $zTab $iNode]
-
-  .c delete all
-  set ::O(listbox_captions) [list]
-  set ::O(listbox_itemmap) [list]
-  set $::O(listbox_highlight) -1
-
-  .b configure -state normal
-  if {$iNode == 1} {.b configure -state disabled}
-  .title configure -text "Node $iNode: [cell_report db $zTab $iNode -1]"
-
-  foreach {xmin xmax ymin ymax} [node_bbox $data] break
-  set total_area 0.0
-
-  set xscale [expr {double([winfo width .c]-20)/($xmax-$xmin)}]
-  set yscale [expr {double([winfo height .c]-20)/($ymax-$ymin)}]
-
-  set xoff [expr {10.0 - $xmin*$xscale}]
-  set yoff [expr {10.0 - $ymin*$yscale}]
-
-  foreach cell $data {
-    foreach {rowid x1 x2 y1 y2} $cell break
-    set total_area [expr {$total_area + ($x2-$x1)*($y2-$y1)}]
-    set x1 [expr {$x1*$xscale + $xoff}]
-    set x2 [expr {$x2*$xscale + $xoff}]
-    set y1 [expr {$y1*$yscale + $yoff}]
-    set y2 [expr {$y2*$yscale + $yoff}]
-
-    set id [.c create rectangle $x1 $y1 $x2 $y2]
-    if {$depth>0} {
-      lappend ::O(listbox_captions) "Node $rowid"
-      lappend ::O(listbox_itemmap) $id
-    }
-  }
-}
-
-proc cell_report {db zTab iParent iCell} {
-  set data [rtree_node db $zTab $iParent 12]
-  set cell [lindex $data $iCell]
-
-  foreach {xmin xmax ymin ymax} [node_bbox $data] break
-  set total_area [expr ($xmax-$xmin)*($ymax-$ymin)]
-
-  if {$cell eq ""} {
-    set cell_area 0.0
-    foreach cell $data {
-      foreach {rowid x1 x2 y1 y2} $cell break
-      set cell_area [expr $cell_area+($x2-$x1)*($y2-$y1)]
-    }
-    set cell_area [expr $cell_area/[llength $data]]
-    set zReport [format "Size = %.1f x %.1f    Average child area = %.1f%%" \
-      [expr $xmax-$xmin] [expr $ymax-$ymin] [expr 100.0*$cell_area/$total_area]\
-    ]
-    append zReport "   Sub-tree height: [rtree_nodedepth db $zTab $iParent]"
-  } else {
-    foreach {rowid x1 x2 y1 y2} $cell break
-    set cell_area  [expr ($x2-$x1)*($y2-$y1)]
-    set zReport [format "Size = %.1f x %.1f    Area = %.1f%%" \
-      [expr $x2-$x1] [expr $y2-$y1] [expr 100.0*$cell_area/$total_area]
-    ]
-  }
-
-  return $zReport
-}
-
-view_node
-bind .c <Configure> view_node
-