From f8c7108a6d7497f788fa8d34efb99886d8af14ca Mon Sep 17 00:00:00 2001
From: Jan Schneider <jan@horde.org>
Date: Thu, 11 Mar 2010 18:24:37 +0100
Subject: [PATCH] Implement iCalendar import.

---
 kronolith/data.php                      | 10 ++++++++++
 kronolith/js/kronolith.js               | 13 +++++++++++--
 kronolith/templates/chunks/calendar.php | 24 +++++++++++++++++-------
 3 files changed, 38 insertions(+), 9 deletions(-)

diff --git a/kronolith/data.php b/kronolith/data.php
index 62f525b68..63943c411 100644
--- a/kronolith/data.php
+++ b/kronolith/data.php
@@ -296,6 +296,16 @@ if (is_array($next_step)) {
     $next_step = $data->cleanup();
 }
 
+if (Horde_Util::getFormData('import_ajax')) {
+    $stack = $notification->notify(array('listeners' => 'status', 'raw' => true));
+    if ($stack) {
+        Horde::addInlineScript('window.parent.KronolithCore.showNotifications(window.parent.$A(' . Horde_Serialize::serialize($stack, Horde_Serialize::JSON, Horde_Nls::getCharset()) . '));');
+        Horde::addInlineScript('window.parent.$(window.name).remove();');
+        Horde::outputInlineScript();
+    }
+    exit;
+}
+
 $import_calendars = $export_calendars = array();
 if (Horde_Auth::getAuth()) {
     $calendars = Kronolith::listCalendars(false, Horde_Perms::EDIT);
diff --git a/kronolith/js/kronolith.js b/kronolith/js/kronolith.js
index ac17dd687..1d624bec0 100644
--- a/kronolith/js/kronolith.js
+++ b/kronolith/js/kronolith.js
@@ -2226,7 +2226,7 @@ KronolithCore = {
             switch (type) {
             case 'internal':
                 kronolithCTagAc.reset();
-                // Fall through
+                // Fall through.
             case 'tasklists':
                 $('kronolithCalendar' + type + 'LinkImportExport').up('span').hide();
                 break;
@@ -2250,7 +2250,8 @@ KronolithCore = {
             switch (type) {
             case 'internal':
                 kronolithCTagAc.reset(Kronolith.conf.calendars.internal[calendar].tg);
-                // fall through
+                $('kronolithCalendar' + type + 'ImportCal').setValue(calendar);
+                // Fall through.
             case 'tasklists':
                 $('kronolithCalendar' + type + 'Description').setValue(info.desc);
                 $('kronolithCalendar' + type + 'LinkImportExport').up('span').show();
@@ -2657,6 +2658,14 @@ KronolithCore = {
                       data,
                       function(r) {
                           if (r.response.saved) {
+                              if ($F('kronolithCalendarinternalImport')) {
+                                  var name = 'kronolithIframe' + Math.round(Math.random() * 1000),
+                                      iframe = new Element('iframe', { src: 'about:blank', name: name, id: name }).setStyle({ display: 'none' });
+                                  //iframe.observe('load', function() { iframe.remove.defer(); });
+                                  document.body.insert(iframe);
+                                  form.target = name;
+                                  form.submit();
+                              }
                               if (data.calendar) {
                                   var cal = Kronolith.conf.calendars[type][data.calendar],
                                       color = {
diff --git a/kronolith/templates/chunks/calendar.php b/kronolith/templates/chunks/calendar.php
index 0b2e4143c..5ce3fa125 100644
--- a/kronolith/templates/chunks/calendar.php
+++ b/kronolith/templates/chunks/calendar.php
@@ -10,12 +10,22 @@ if ($groups instanceof PEAR_Error) {
     $groups = array();
 }
 asort($groups);
+$file_upload = $GLOBALS['browser']->allowFileUploads();
 ?>
 <div id="kronolithCalendarDialog" class="kronolithDialog">
 
-<form id="kronolithCalendarForminternal" action="">
+<form id="kronolithCalendarForminternal" method="post" action="<?php echo Horde::applicationUrl('data.php') ?>"<?php if ($file_upload) echo ' enctype="multipart/form-data"' ?>>
 <input type="hidden" name="type" value="internal" />
 <input id="kronolithCalendarinternalId" type="hidden" name="calendar" />
+<?php if ($file_upload): ?>
+<input type="hidden" id="kronolithCalendarinternalImportCal" name="importCal" />
+<input type="hidden" name="MAX_FILE_SIZE" value="<?php echo $file_upload ?>" />
+<input type="hidden" name="actionID" value="<?php echo Horde_Data::IMPORT_FILE ?>" />
+<input type="hidden" name="import_step" value="1" />
+<input type="hidden" name="import_format" value="icalendar" />
+<input type="hidden" name="import_ajax" value="1" />
+<?php Horde_Util::pformInput() ?>
+<?php endif; ?>
 
 <div class="kronolithCalendarDiv" id="kronolithCalendarinternal1">
 <div>
@@ -40,7 +50,7 @@ asort($groups);
   <span>
     <span class="kronolithSeparator">|</span>
     <ul>
-      <li><a href="#" class="kronolithTabLink" id="kronolithCalendarinternalLinkImportExport"><?php echo _("Export") /*_("Import/Export")*/ ?></a></li>
+      <li><a href="#" class="kronolithTabLink" id="kronolithCalendarinternalLinkImportExport"><?php echo _("Import/Export") ?></a></li>
     </ul>
   </span>
 </div>
@@ -62,12 +72,12 @@ asort($groups);
 
 <div id="kronolithCalendarinternalTabImportExport" class="kronolithTabsOption" style="display:none">
   <div class="kronolithDialogInfo"><?php echo _("iCalendar is a computer file format which allows internet users to send meeting requests and tasks to other internet users, via email, or sharing files with an extension of .ics. Recipients of the iCalendar data file (with supporting software, such as an email client or calendar application) can respond to the sender easily or counter propose another meeting date/time.") ?></div>
-  <?php /* ?>
-  <label><?php echo _("Import ICS file") ?>:
-    <input type="file" name="import_file" />
-  </label>
+  <label for="kronolithCalendarinternalImport"><?php echo _("Import ICS file") ?>:</label>
+  <input type="file" id="kronolithCalendarinternalImport" name="import_file" /><br />
+  <input type="checkbox" id="kronolithCalendarinternalImportOver" name="purge" />
+  <label for="kronolithCalendarinternalImportOver"><?php echo _("Replace existing calendar with the imported one?") ?></label>
+  <?php echo _("Warning: This deletes all entries in your current calendar.") ?>
   <br />
-  <?php */ ?>
   <label><?php echo _("Export ICS file") ?>:</label>
   <a id="kronolithCalendarinternalExport"><?php echo _("Calendar ICS file") ?></a>
 </div>
-- 
2.11.0