From 66f704d650ddf66b86d2add825c43bcea8d84de5 Mon Sep 17 00:00:00 2001
From: Alon Levy <alon@pobox.com>
Date: Wed, 12 Nov 2014 09:30:05 +0200
Subject: add a copy to url button, handle the resulting url

This allows us to send small graphs (up to maximal length of query
string - what is that anyway?). Just press the copy button, ctrl-c, and
paste to irc, and other side should click it.

The real deal, issue #65, needs to actually go to the server and load
the graph, which means the server needs to have a document concept.
---
 src/buttons.js |  7 +++++++
 src/main.js    | 18 ++++++++++++++++--
 2 files changed, 23 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/buttons.js b/src/buttons.js
index 500d56fc..e5e37f52 100644
--- a/src/buttons.js
+++ b/src/buttons.js
@@ -20,6 +20,13 @@ $('.export a').click(function() {
     saveAs(blob, filename);
 });
 
+$('.url-copy a').click(function() {
+    var json = rz_core.graph.save_to_json();
+    // TODO use jquery BBQ $.param({json: json});
+    var encoded = document.location.origin + '/?json=' + encodeURIComponent(json);
+    window.prompt('Copy to clipboard: Ctrl-C, Enter (or Cmd-C for Mac)', encoded);
+});
+
 var really_load = function() {
   if (!rz_core.graph.empty()) {
     return confirm('All unsaved changes will be deleted, are you sure?');
diff --git a/src/main.js b/src/main.js
index 67213056..b55a3a3d 100644
--- a/src/main.js
+++ b/src/main.js
@@ -1,5 +1,12 @@
-define(['textanalysis.ui', 'buttons', 'history', 'drag_n_drop', 'robot'],
-function(textanalysis_ui, buttons, history, drag_n_drop, robot) {
+define(['jquery', 'textanalysis.ui', 'buttons', 'history', 'drag_n_drop', 'robot', 'rz_core'],
+function($,        textanalysis_ui,   buttons,   history,   drag_n_drop,   robot,   rz_core) {
+
+    function getParameterByName(name) {
+        name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
+        var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
+            results = regex.exec(location.search);
+        return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
+    }
 
     function expand(obj){
         if (!obj.savesize) {
@@ -9,6 +16,8 @@ function(textanalysis_ui, buttons, history, drag_n_drop, robot) {
     }
 
     this.main = function() {
+        var json;
+
         console.log('Rhizi main started');
         drag_n_drop.init();
         $('#editname').onkeyup = function() { expand(this); };
@@ -16,6 +25,11 @@ function(textanalysis_ui, buttons, history, drag_n_drop, robot) {
         $('#textanalyser').onkeyup = function() { expand(this); };
 
         textanalysis_ui.main();
+        // TODO: jquery BBQ: $.deparam.querystring().json;
+        json = getParameterByName('json');
+        if (json) {
+            rz_core.load_from_json(json);
+        }
     }
     
     return {
-- 
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