node/node_modules/derby-examples/sink/lib/app/live-css.js

// Generated by CoffeeScript 1.3.1
var app, cssProperty, get, ready, render, view, _ref;

_ref = app = require('./index'), get = _ref.get, ready = _ref.ready, view = _ref.view;

render = require('./shared').render;

view.fn('cssProperty', cssProperty = function(style) {
  if (style.active) {
    return "" + (style.prop || '') + ": " + (style.value || '') + ";";
  } else {
    return '';
  }
});

get('/live-css', function(page, model) {
  return model.subscribe('liveCss', function(err, liveCss) {
    liveCss.setNull({
      styles: [
        {
          prop: 'color',
          value: '#c00',
          active: true
        }, {
          prop: 'font-weight',
          value: 'bold',
          active: true
        }, {
          prop: 'font-size',
          value: '18px',
          active: false
        }
      ],
      outputText: 'Edit this text...'
    });
    model.fn('_hasActiveStyles', 'liveCss.styles', function(styles) {
      var style, _i, _len;
      for (_i = 0, _len = styles.length; _i < _len; _i++) {
        style = styles[_i];
        if (style.active) {
          return true;
        }
      }
      return false;
    });
    model.del('_poppedOut');
    return render(page, 'liveCss');
  });
});

get({
  from: '/live-css',
  to: '/live-css/popout'
}, {
  forward: function(model) {
    return model.set('_poppedOut', true);
  },
  back: function(model) {
    return model.del('_poppedOut');
  }
});

ready(function(model) {
  return app.liveCss = {
    addStyle: function() {
      return model.push('liveCss.styles', {});
    },
    deleteStyle: function(e, el) {
      return model.at(el).remove();
    }
  };
});