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         {name: "helpContent", allowHtml: true, showing: false},
  13         {style: "position: relative", components: [
  14             {tag: "h2", content: "What's on your mind?", style: "width: 75%",},
  15             {name: "showHelpLink", kind: "blerg.Link", onNavigate: "showHelp", content: "Help!", style: "position: absolute; right: 1pt; bottom: 1pt; font-weight: bold; font-size: large"},
  16             {name: "hideHelpLink", kind: "blerg.Link", onNavigate: "hideHelp", content: "Hide Help", style: "position: absolute; right: 1pt; bottom: 1pt; font-weight: bold; font-size: large", showing: false}
  17         ]},
  18         {kind: "onyx.InputDecorator", components: [
  19             {name: "postContent", classes: "content", kind: "onyx.TextArea", onkeydown: "resizePostContent", attributes: {tabindex: 4}}
  20         ]},
  21         {classes: "buttons", components: [
  22             {name: "loginReminder", tag: "span", classes: "blerg-error", style: "margin-right: 8px; vertical-align: 60%", content: "You must log in before posting."},
  23             {kind: "onyx.Button", content: "Close", onclick: "closePost", classes: "onyx-negative", attributes: {tabindex: 6}},
  24             {name: "postButton", kind: "onyx.Button", content: "Post", onclick: "doPost", classes: "onyx-affirmative", disabled: true, attributes: {tabindex: 5}}
  25         ]},
  26         {name: "api", kind: "blerg.API",
  27          onPostSuccessful: "postSuccessful",
  28          onPostFailed: "postFailed"}
  29     ],
  30     create: function() {
  31         this.inherited(arguments);
  32     },
  33     getData: function() {
  34         return this.$.postContent.getValue();
  35     },
  36     setData: function(inVal) {
  37         this.$.postContent.setValue(inVal);
  38     },
  39     closePost: function() {
  40         this.bubble('onPostVisibility', {showing: false});
  41     },
  42     doPost: function() {
  43         this.$.api.post(this.getData());
  44     },
  45     postSuccessful: function() {
  46         this.setData('');
  47         this.closePost();
  48         if (location.hash != '#' + blerg.API.username) {
  49             qlink(blerg.API.username);
  50         } else {
  51             this.bubble('onReload');
  52         }
  53     },
  54     postFailed: function() {
  55         alert('Could not post!');
  56     },
  57     postVisibilityUpdate: function(inSender, inEvent) {
  58         if (inEvent.showing) {
  59             this.show();
  60             this.$.postContent.focus();
  61             if (inEvent.data && this.getData() == "") {
  62                 this.setData(inEvent.data);
  63                 this.$.postContent.node.setSelectionRange(inEvent.data.length, inEvent.data.length);
  64             }
  65         } else {
  66             this.hide();
  67         }
  68     },
  69     resizePostContent: function(inSender, inEvent) {
  70         if (this.resizePostContentTimeout)
  71             clearTimeout(this.resizePostContentTimeout);
  72         this.resizePostContentTimeout = setTimeout(function() {
  73             var n = this.$.postContent.hasNode();
  74             if (!n)
  75                 return;
  76             var c = this.getData();
  77             var lines = Math.floor(c.length / (100 * (n.clientWidth / 1000))) + 1;
  78             var m = c.match(/\r?\n/g);
  79             if (m)
  80                 lines += m.length;
  81             if (lines <= 3) {
  82                 this.$.postContent.setStyle("");
  83             } else {
  84                 this.$.postContent.setStyle("height: " + (lines * 17) + "pt");
  85             }
  86             this.resizePostContentTimeout = null;
  87         }.bind(this), 150);
  88     },
  89     loggedIn: function() {
  90         this.$.postButton.setDisabled(false);
  91         this.$.loginReminder.hide();
  92     },
  93     loggedOut: function() {
  94         this.$.postButton.setDisabled(true);
  95         this.$.loginReminder.show();
  96     },
  97     showHelp: function() {
  98         this.$.helpContent.show();
  99         this.$.showHelpLink.hide();
 100         this.$.hideHelpLink.show();
 101         if (this.$.helpContent.getContent() == '') {
 102             var req = new enyo.Ajax({
 103                 url: baseURL + '/doc/post_help.html',
 104                 handleAs: 'text'
 105             });
 106             req.response(function(inSender, inResponse) {
 107                 this.$.helpContent.setContent(inResponse);
 108             }.bind(this));
 109             req.go();
 110         }
 111     },
 112     hideHelp: function() {
 113         this.$.helpContent.hide();
 114         this.$.showHelpLink.show();
 115         this.$.hideHelpLink.hide();
 116     }
 117 });