From a76225dc7f8ec707fc2dc563a796c65620b1c5a4 Mon Sep 17 00:00:00 2001
From: timb <opuscule@gmail.com>
Date: Wed, 22 Jul 2015 00:25:07 -0700
Subject: finally hook up undo

---
 js/clipboard.js | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

(limited to 'js/clipboard.js')

diff --git a/js/clipboard.js b/js/clipboard.js
index ee79320..0ac2150 100644
--- a/js/clipboard.js
+++ b/js/clipboard.js
@@ -81,6 +81,7 @@ var clipboard = (function () {
       var rapper = document.createElement("div")
       rapper.innerHTML = import_textarea.value
       var y = 0;
+      undo.new()
       toArray(rapper.childNodes).forEach(function(span){
         if (span.nodeName !== "SPAN") { return }
         var x = 0;
@@ -106,6 +107,7 @@ var clipboard = (function () {
           
           for (var i = 0; i < line.length; i++, x++) {
             var lex = row[x]
+            undo.save_lex(x, y, lex)
             if (! lex) return
             lex.char = line[i]
             lex.fg = alphabet[ colorcode[1] ]
@@ -141,9 +143,12 @@ var clipboard = (function () {
 
       var json = colorcode.to_json(data, {fg:0, bg:1})
 
-      canvas_width_el.innerHTML = json.w
-      canvas_height_el.innerHTML = json.h
-      canvas.resize(json.w, json.h)
+      undo.new()
+      undo.save_rect(0,0, canvas.w, canvas.h)
+      if (json.w !== canvas.w || json.h !== canvas.h){
+        undo.save_size(canvas.w, canvas.h)
+        canvas.resize(json.w, json.h, true)
+      }
       canvas.clear()
 
       for (var y = 0, line; line = json.lines[y]; y++){
@@ -165,12 +170,14 @@ var clipboard = (function () {
       var lines = data.split("\n")
       var width = lines.reduce(function(a,b){ console.log(a,b); return Math.max(a, b.length) }, 0)
       var height = lines.length
-      if (width > 200) {
+      if (width > canvas.max) {
         return alert("input too wide")
       }
-      if (height > 200) {
+      if (height > canvas.max) {
         return alert("input too tall")
       }
+      undo.new()
+      undo.save_rect(0,0, canvas.w, canvas.h)
       canvas.clear()
       lines.forEach(function(line, y){
         var row = canvas.aa[y]
-- 
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