less-destructive resize; stub out selection

1 files changed, 53 insertions, 12 deletions

diff --git a/js/matrix.js b/js/matrix.js
index fd4ee4f..79f3d9f 100644
--- a/js/matrix.js
+++ b/js/matrix.js
@@ -98,6 +98,59 @@ Matrix.prototype.getCell = function(x,y){
 	if (this.aa[y] && this.aa[y][x]) return this.aa[y][x]
 	else return null
 }
+Matrix.prototype.resize = function(w,h){
+  var div, row, lex
+  var f = this.f, old_h = this.h, old_w = this.w
+  var rapper = this.rapper
+  w = max(w, 1)
+  h = max(h, 1)
+  if (h < old_h) {
+    for (var y = old_h; y > h; y--) {
+      row = this.aa.pop()
+      div = row[0].span.parentNode
+      row.forEach(function(lex, x){
+        lex.demolish()
+      })
+      div.parentNode.removeChild(div)
+    }
+  }
+  else if (h > old_h) {
+    for (var y = old_h; y < h; y++) {
+      div = document.createElement("div")
+      rapper.appendChild( div )
+      this.aa[y] = new Array (w)
+      for (var x = 0; x < w; x++) {
+        lex = this.aa[y][x] = f(x,y)
+        div.appendChild(lex.span)
+      }
+    }
+  }
+  
+  if (w < old_w) {
+    this.aa.forEach(function(row, y){
+      while (row.length > w) {
+        lex = row.pop()
+        lex.demolish()
+      }
+    })
+  }
+  else if (w > old_w) {
+    this.aa.forEach(function(row, y){
+      div = row[0].span.parentNode
+      for (var x = row.length; x < w; x++) {
+        lex = row[x] = f(x,y)
+        div.appendChild(lex.span)
+      }
+    })
+  }
+  
+  this.w = w
+  this.h = h
+  this.bind && this.bind()
+}
+
+//
+
 Matrix.prototype.ascii = function () {
   var lines = this.aa.map(function(row, y){
     var last, line = ""
@@ -160,15 +213,3 @@ Matrix.prototype.irssi = function(){
 	}
   return '/exec -out printf "' + escaped_txt + '"\n'
 }
-Matrix.prototype.expand = function(i){
-  var w = this.w = clamp(this.w+i, 1, 9), h = this.h = clamp(this.h+i, 1, 9)
-  console.log(w,h)
-  controls.width.char = ""+w
-  controls.width.build()
-  controls.height.char = ""+h
-  controls.height.build()
-  this.rebuild()
-}
-Matrix.prototype.contract = function(i){
-  this.expand(-i)
-}