components/webui_generator/generator/html_view.py

   1 # Copyright 2015 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 import util
   6 import os
   7 import datetime
   8
   9 HTML_FILE_TEMPLATE = \
  10 """<!-- Copyright %(year)d The Chromium Authors. All rights reserved.
  11      Use of this source code is governed by a BSD-style license that can be
  12      found in the LICENSE file. -->
  13
  14 <!-- NOTE: this file is generated from "%(source)s". Do not modify directly. -->
  15
  16 <!doctype html>
  17 <html><head>
  18 <link rel="import" href="chrome://resources/polymer/polymer/polymer.html">
  19 <link rel="import" href="/webui_generator/webui-view.html">
  20 %(children_includes)s
  21 </head><body>
  22 <polymer-element name="%(element_name)s" extends="webui-view">
  23 </polymer-element>
  24 <script src="%(js_file_path)s"></script>
  25 </body></html>
  26 """
  27
  28 JS_FILE_TEMPLATE = \
  29 """// Copyright %(year)d The Chromium Authors. All rights reserved.
  30 // Use of this source code is governed by a BSD-style license that can be
  31 // found in the LICENSE file.
  32
  33 // NOTE: this file is generated from "%(source)s". Do not modify directly.
  34
  35
  36 Polymer('%(element_name)s', (function() {
  37   'use strict';
  38   return {
  39   getType: function() {
  40     return '%(type)s';
  41   },
  42
  43   initialize: function() {},
  44   contextChanged: function(changedKeys) {},
  45
  46   initChildren_: function() {
  47 %(init_children_body)s
  48   },
  49
  50   initContext_: function() {
  51 %(init_context_body)s
  52   }
  53   }
  54 })());
  55 """
  56
  57 def GetCommonSubistitutions(declaration):
  58   subs = {}
  59   subs['year'] = datetime.date.today().year
  60   subs['element_name'] = declaration.type.replace('_', '-') + '-view'
  61   subs['source'] = declaration.path
  62   return subs
  63
  64 def GenChildrenIncludes(children):
  65   lines = []
  66   for declaration in set(children.itervalues()):
  67     lines.append('<link rel="import" href="/%s">' %
  68                      declaration.html_view_html_include_path)
  69   return '\n'.join(lines)
  70
  71 def GenHTMLFile(declaration):
  72   subs = GetCommonSubistitutions(declaration)
  73   subs['js_file_path'] = subs['element_name'] + '.js'
  74   subs['children_includes'] = GenChildrenIncludes(declaration.children)
  75   return HTML_FILE_TEMPLATE % subs
  76
  77 def GenInitChildrenBody(children):
  78   lines = []
  79   lines.append('    var child = null;');
  80   for id in children:
  81     lines.append('    child = this.shadowRoot.querySelector(\'[wugid="%s"]\');'
  82                      % id);
  83     lines.append('    if (!child)');
  84     lines.append('      console.error(this.path_ + \'$%s not found.\');' % id);
  85     lines.append('    else');
  86     lines.append('      child.setPath_(this.path_ + \'$%s\');' % id)
  87   return '\n'.join(lines)
  88
  89 def GenInitContextBody(fields):
  90   lines = []
  91   for field in fields:
  92     value = ''
  93     if field.type in ['integer', 'double']:
  94       value = str(field.default_value)
  95     elif field.type == 'boolean':
  96       value = 'true' if field.default_value else 'false'
  97     elif field.type == 'string':
  98       value = '\'%s\'' % field.default_value
  99     elif field.type == 'string_list':
 100       value = '[' + \
 101         ', '.join('\'%s\'' % s for s in field.default_value) + ']'
 102     lines.append('    this.context.set(\'%s\', %s);' % (field.id, value))
 103   lines.append('    this.context.getChangesAndReset();')
 104   return '\n'.join(lines)
 105
 106 def GenJSFile(declaration):
 107   subs = GetCommonSubistitutions(declaration)
 108   subs['type'] = declaration.type
 109   subs['init_children_body'] = GenInitChildrenBody(declaration.children)
 110   subs['init_context_body'] = GenInitContextBody(declaration.fields)
 111   return JS_FILE_TEMPLATE % subs