Implemented the ajax call for updating notes.

[citadel.git] / webcit / static / wclib.js

diff --git a/webcit/static/wclib.js b/webcit/static/wclib.js
index 09a5c8ad44733ba70d3efeb2e4425a16a3fbb4f4..f1e7eaf9f501c2273ce0b3b4e808e9491716f956 100644 (file)
--- a/webcit/static/wclib.js
+++ b/webcit/static/wclib.js
@@ -422,6 +422,93 @@ function CtdlResizeMsgListMouseDown(evt) {
 
 
 
+
+
+// These functions handle moving sticky notes around the screen by dragging them
+
+var uid_of_note_being_dragged = 0;
+var saved_cursor_style = 'default';
+var note_was_dragged = 0;
+
+function NotesDragMouseUp(evt) {
+       document.onmouseup = null;
+       document.onmousemove = null;
+       if (document.layers) {
+               document.releaseEvents(Event.MOUSEUP | Event.MOUSEMOVE);
+       }
+
+       d = $('note-' + uid_of_note_being_dragged);
+       d.style.cursor = saved_cursor_style;
+
+       // If any motion actually occurred, submit an ajax http call to record it to the server
+       if (note_was_dragged > 0) {
+               p = 'note_uid=' + uid_of_note_being_dragged
+                       + '&left=' + d.style.left
+                       + '&top=' + d.style.top
+                       + '&r=' + CtdlRandomString();
+               new Ajax.Request(
+                       'ajax_update_note',
+                       {
+                               method: 'post',
+                               parameters: p
+                       }
+               );
+       }
+
+       uid_of_note_being_dragged = '';
+       return true;
+}
+
+function NotesDragMouseMove(evt) {
+       x = (ns6 ? evt.clientX : event.clientX);
+       x_increment = x - saved_x;
+       y = (ns6 ? evt.clientY : event.clientY);
+       y_increment = y - saved_y;
+
+       // Move the div
+       d = $('note-' + uid_of_note_being_dragged);
+
+       divTop = parseInt(d.style.top);
+       divLeft = parseInt(d.style.left);
+
+       d.style.top = (divTop + y_increment) + 'px';
+       d.style.left = (divLeft + x_increment) + 'px';
+
+       saved_x = x;
+       saved_y = y;
+       note_was_dragged = 1;
+       return true;
+}
+
+
+function NotesDragMouseDown(evt, uid) {
+       saved_x = (ns6 ? evt.clientX : event.clientX);
+       saved_y = (ns6 ? evt.clientY : event.clientY);
+       document.onmouseup = NotesDragMouseUp;
+       document.onmousemove = NotesDragMouseMove;
+       if (document.layers) {
+               document.captureEvents(Event.MOUSEUP | Event.MOUSEMOVE);
+       }
+       uid_of_note_being_dragged = uid;
+       d = $('note-' + uid_of_note_being_dragged);
+       saved_cursor_style = d.style.cursor;
+       d.style.cursor = 'move';
+       return false;           // disable the default action
+}
+
+
+
+
+
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+
 // These functions handle drag and drop message moving
 
 var mm_div = null;