www/jssrc/blerg/Post.js

   1 enyo.kind({
   2     name: "blerg.Post",
   3     kind: "Control",
   4     classes: "blerg-post",
   5     handlers: {
   6         onPostVisibility: "postVisibilityUpdate",
   7         onLogin: "loggedIn",
   8         onLogout: "loggedOut"
   9     },
  10     resizePostContentTimeout: null,
  11     components: [
  12         {tag: "h2", content: "What's on your mind?"},
  13         {kind: "onyx.InputDecorator", components: [
  14             {name: "postContent", classes: "content", kind: "onyx.TextArea", onkeydown: "resizePostContent", attributes: {tabindex: 4}}
  15         ]},
  16         {classes: "buttons", components: [
  17             {name: "loginReminder", tag: "span", classes: "blerg-error", style: "margin-right: 8px; vertical-align: 60%", content: "You must log in before posting."},
  18             {kind: "onyx.Button", content: "Close", onclick: "closePost", classes: "onyx-negative", attributes: {tabindex: 6}},
  19             {name: "postButton", kind: "onyx.Button", content: "Post", onclick: "doPost", classes: "onyx-affirmative", disabled: true, attributes: {tabindex: 5}}
  20         ]},
  21         {name: "api", kind: "blerg.API",
  22          onPostSuccessful: "postSuccessful",
  23          onPostFailed: "postFailed"}
  24     ],
  25     create: function() {
  26         this.inherited(arguments);
  27     },
  28     getData: function() {
  29         return this.$.postContent.getValue();
  30     },
  31     setData: function(inVal) {
  32         this.$.postContent.setValue(inVal);
  33     },
  34     closePost: function() {
  35         this.bubble('onPostVisibility', {showing: false});
  36     },
  37     doPost: function() {
  38         this.$.api.post(this.getData());
  39     },
  40     postSuccessful: function() {
  41         this.setData('');
  42         this.closePost();
  43         this.href = '#' + blerg.API.username;
  44     },
  45     postFailed: function() {
  46         alert('Could not post!');
  47     },
  48     postVisibilityUpdate: function(inSender, inEvent) {
  49         if (inEvent.showing) {
  50             this.show();
  51             this.$.postContent.focus();
  52             if (inEvent.data && this.getData() == "") {
  53                 this.setData(inEvent.data);
  54                 this.$.postContent.node.setSelectionRange(inEvent.data.length, inEvent.data.length);
  55             }
  56         } else {
  57             this.hide();
  58         }
  59     },
  60     resizePostContent: function(inSender, inEvent) {
  61         if (this.resizePostContentTimeout)
  62             clearTimeout(this.resizePostContentTimeout);
  63         this.resizePostContentTimeout = setTimeout(function() {
  64             var n = this.$.postContent.hasNode();
  65             if (!n)
  66                 return;
  67             var c = this.getData();
  68             var lines = Math.floor(c.length / (100 * (n.clientWidth / 1000))) + 1;
  69             var m = c.match(/\r?\n/g);
  70             if (m)
  71                 lines += m.length;
  72             if (lines <= 3) {
  73                 this.$.postContent.setStyle("");
  74             } else {
  75                 this.$.postContent.setStyle("height: " + (lines * 17) + "pt");
  76             }
  77             this.resizePostContentTimeout = null;
  78         }.bind(this), 150);
  79     },
  80     loggedIn: function() {
  81         this.$.postButton.setDisabled(false);
  82         this.$.loginReminder.hide();
  83     },
  84     loggedOut: function() {
  85         this.$.postButton.setDisabled(true);
  86         this.$.loginReminder.show();
  87     }
  88 });