{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "INFO: Recompiling stale cache file /home/tom/.julia/lib/v0.4/Plots.ji for module Plots.\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[Plots.jl] Default backend: immerse\n",
      "[Plots.jl] Switched to backend: gadfly"
     ]
    }
   ],
   "source": [
    "using Plots\n",
    "gadfly()\n",
    "default(leg=false);\n",
    "#Plots._debugMode.on=true;"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "ename": "LoadError",
     "evalue": "LoadError: UndefVarError: GadflyPackage not defined\nwhile loading In[2], in expression starting on line 2",
     "output_type": "error",
     "traceback": [
      "LoadError: UndefVarError: GadflyPackage not defined\nwhile loading In[2], in expression starting on line 2",
      ""
     ]
    }
   ],
   "source": [
    "# link the subplots together to share axes... useful for facet plots, cross-scatters, etc\n",
    "function linkPlots(subplt::Plots.Subplot{GadflyPackage})\n",
    "end"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "[Plots.jl] Initializing backend: gadfly"
     ]
    }
   ],
   "source": [
    "y = linspace(0,1,100)\n",
    "p = subplot(repmat(y,1,4),n=4);"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "ename": "ErrorException",
     "evalue": "type GridLayout has no field rowcounts",
     "output_type": "error",
     "traceback": [
      "type GridLayout has no field rowcounts",
      "",
      " in buildGadflySubplotContext at /home/tom/.julia/v0.4/Plots/src/backends/gadfly.jl:497",
      " in writemime at /home/tom/.julia/v0.4/Plots/src/backends/gadfly.jl:523",
      " in base64encode at base64.jl:160",
      " in display_dict at /home/tom/.julia/v0.4/IJulia/src/execute_request.jl:32"
     ]
    }
   ],
   "source": [
    "i = 1\n",
    "subplot!(ylabel=[\"y1\",\"y1\",\"y2\",\"y2\"], xlabel=[\"x1\",\"x2\",\"x1\",\"x2\"])\n",
    "# findGuideAndSet(gplt, t::DataType, s::@compat(AbstractString))\n",
    "for (i,(r,c)) in enumerate(p.layout)\n",
    "# for (r,nc) in enumerate(p.layout.rowcounts)\n",
    "#     for c in 1:nc\n",
    "    gplt = p.plts[i].o\n",
    "    if r < Plots.nrows(p.layout)\n",
    "        push!(gplt.guides, Gadfly.Guide.xticks(label=false))\n",
    "        Plots.findGuideAndSet(gplt, Gadfly.Guide.xlabel, \"\")\n",
    "    end\n",
    "    if c > 1\n",
    "        push!(gplt.guides, Gadfly.Guide.yticks(label=false))\n",
    "        Plots.findGuideAndSet(gplt, Gadfly.Guide.ylabel, \"\")\n",
    "    end\n",
    "end\n",
    "#p1 = p.plts[1].o\n",
    "#push!(p1.guides, Gadfly.Guide.xticks(label=false,ticks=nothing))\n",
    "p"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "p.layout.rowcounts"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "\n",
    "immutable FlexLayout \n",
    "  numplts::Int\n",
    "  rowcounts::AbstractVector{Int}\n",
    "end\n",
    "\n",
    "immutable GridLayout \n",
    "  nr::Int\n",
    "  nc::Int\n",
    "end"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "\n",
    "\n",
    "Base.length(layout::FlexLayout) = layout.numplts\n",
    "Base.start(layout::FlexLayout) = 1\n",
    "Base.done(layout::FlexLayout, state) = state > length(layout)\n",
    "function Base.next(layout::FlexLayout, state)\n",
    "  r = 1\n",
    "  c = 0\n",
    "  for i = 1:state\n",
    "    c += 1\n",
    "    if c > layout.rowcounts[r]\n",
    "      r += 1\n",
    "      c = 1\n",
    "    end\n",
    "  end\n",
    "  (r,c), state + 1\n",
    "end\n",
    "\n",
    "\n",
    "Base.length(layout::GridLayout) = layout.nr * layout.nc\n",
    "Base.start(layout::GridLayout) = 1\n",
    "Base.done(layout::GridLayout, state) = state > length(layout)\n",
    "function Base.next(layout::GridLayout, state)\n",
    "  r = div(state, layout.nc)\n",
    "  c = mod1(state, layout.nc)\n",
    "  (r,c), state + 1\n",
    "end"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "fl = FlexLayout(5, [2,1,2])\n",
    "gl = GridLayout(3,2)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "for (r,c) in gl\n",
    "    @show r,c\n",
    "end\n",
    "length(gl)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": []
  }
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