tab lock infrastructure. call xulG.lock_tab() and then any attempt to close or repla...

git-svn-id: svn://svn.open-ils.org/ILS/trunk@18925 dcc99617-32d9-48b4-a31d-7c20da2025e4

diff --git a/Open-ILS/xul/staff_client/chrome/content/cat/opac.js b/Open-ILS/xul/staff_client/chrome/content/cat/opac.js
index 28da882..a3bc8e8 100644 (file)
--- a/Open-ILS/xul/staff_client/chrome/content/cat/opac.js
+++ b/Open-ILS/xul/staff_client/chrome/content/cat/opac.js
@@ -458,6 +458,9 @@ function set_opac() {
         content_params.new_tab = xulG.new_tab;
         content_params.set_tab = xulG.set_tab;
         content_params.close_tab = xulG.close_tab;
+        content_params.lock_tab = xulG.lock_tab;
+        content_params.unlock_tab = xulG.unlock_tab;
+        content_params.inspect_tab = xulG.inspect_tab;
         content_params.new_patron_tab = xulG.new_patron_tab;
         content_params.set_patron_tab = xulG.set_patron_tab;
         content_params.volume_item_creator = xulG.volume_item_creator;
@@ -582,6 +585,9 @@ function bib_in_new_tab() {
         content_params.new_tab = xulG.new_tab;
         content_params.set_tab = xulG.set_tab;
         content_params.close_tab = xulG.close_tab;
+        content_params.lock_tab = xulG.lock_tab;
+        content_params.unlock_tab = xulG.unlock_tab;
+        content_params.inspect_tab = xulG.inspect_tab;
         content_params.new_patron_tab = xulG.new_patron_tab;
         content_params.set_patron_tab = xulG.set_patron_tab;
         content_params.volume_item_creator = xulG.volume_item_creator;

diff --git a/Open-ILS/xul/staff_client/chrome/content/main/menu.js b/Open-ILS/xul/staff_client/chrome/content/main/menu.js
index f731d98..c120381 100644 (file)
--- a/Open-ILS/xul/staff_client/chrome/content/main/menu.js
+++ b/Open-ILS/xul/staff_client/chrome/content/main/menu.js
@@ -1336,6 +1336,17 @@ main.menu.prototype = {
     'close_tab' : function (specific_idx) {
         var idx = specific_idx || this.controller.view.tabs.selectedIndex;
         var panel = this.controller.view.panels.childNodes[ idx ];
+
+        var tab = this.controller.view.tabs.getItemAtIndex( idx );
+        var id = tab.getAttribute('id');
+        if (typeof this.tab_semaphores[id] != 'undefined') {
+            if (this.tab_semaphores[id] > 0) {
+                var confirmation = window.confirm(offlineStrings.getString('menu.close_tab.unsaved_data_warning'));
+                if (!confirmation) { return; }
+                delete this.tab_semaphores[id];
+            }
+        }
+
         this.controller.view.tabs.removeItemAt(idx);
         this.controller.view.panels.removeChild(panel);
         if(this.controller.view.tabs.childNodes.length > idx) {
@@ -1588,6 +1599,9 @@ main.menu.prototype = {
             if (params.src) { help_btn.setAttribute('src', params.src); }
         }
     },
+
+    'tab_semaphores' : {},
+
     'set_tab' : function(url,params,content_params) {
         var obj = this;
         if (!url) url = '/xul/server/';
@@ -1597,10 +1611,44 @@ main.menu.prototype = {
         var idx = this.controller.view.tabs.selectedIndex;
         if (params && typeof params.index != 'undefined') idx = params.index;
         var tab = this.controller.view.tabs.childNodes[ idx ];
+
+        var id = tab.getAttribute('id');
+        if (id) {
+            if (typeof obj.tab_semaphores[id] != 'undefined') {
+                if (obj.tab_semaphores[id] > 0) {
+                    var confirmation = window.confirm(offlineStrings.getString('menu.replace_tab.unsaved_data_warning'));
+                    if (!confirmation) { return; }
+                    delete obj.tab_semaphores[id];
+                }
+            }
+        }
+        var unique_id = idx + ':' + new Date();
+        tab.setAttribute('id',unique_id);
         if (params.focus) tab.focus();
         var panel = this.controller.view.panels.childNodes[ idx ];
         while ( panel.lastChild ) panel.removeChild( panel.lastChild );
 
+        content_params.lock_tab = function() { 
+            var id = tab.getAttribute('id');
+            if (typeof obj.tab_semaphores[id] == 'undefined') {
+                obj.tab_semaphores[id] = 0;
+            }
+            obj.tab_semaphores[id]++; 
+            return obj.tab_semaphores[id]; 
+        };
+        content_params.unlock_tab = function() { 
+            var id = tab.getAttribute('id');
+            if (typeof obj.tab_semaphores[id] == 'undefined') {
+                obj.tab_semaphores[id] = 0;
+            }
+            obj.tab_semaphores[id]--;
+            if (obj.tab_semaphores[id] < 0) { obj.tab_semaphores[id] = 0; } 
+            return obj.tab_semaphores[id]; 
+        };
+        content_params.inspect_tab = function() {
+            var id = tab.getAttribute('id');
+            return 'id = ' + id + ' semaphore = ' + obj.tab_semaphores[id];
+        }
         content_params.new_tab = function(a,b,c) { return obj.new_tab(a,b,c); };
         content_params.set_tab = function(a,b,c) { return obj.set_tab(a,b,c); };
         content_params.close_tab = function() { return obj.close_tab(); };

diff --git a/Open-ILS/xul/staff_client/chrome/content/util/browser.js b/Open-ILS/xul/staff_client/chrome/content/util/browser.js
index 22652d6..a2d2a35 100644 (file)
--- a/Open-ILS/xul/staff_client/chrome/content/util/browser.js
+++ b/Open-ILS/xul/staff_client/chrome/content/util/browser.js
@@ -257,6 +257,10 @@ util.browser.prototype = {
             cw.xulG = obj.passthru_content_params || {};
             if (!cw.xulG.set_tab) { cw.xulG.set_tab = function(a,b,c) { return window.xulG.set_tab(a,b,c); }; }
             if (!cw.xulG.new_tab) { cw.xulG.new_tab = function(a,b,c) { return window.xulG.new_tab(a,b,c); }; }
+            if (!cw.xulG.close_tab) { cw.xulG.close_tab = function(a) { return window.xulG.close_tab(a); }; }
+            if (!cw.xulG.lock_tab) { cw.xulG.lock_tab = function() { return window.xulG.lock_tab(); }; }
+            if (!cw.xulG.unlock_tab) { cw.xulG.unlock_tab = function() { return window.xulG.unlock_tab(); }; }
+            if (!cw.xulG.inspect_tab) { cw.xulG.inspect_tab = function() { return window.xulG.inspect_tab(); }; }
             if (!cw.xulG.new_patron_tab) { cw.xulG.new_patron_tab = function(a,b) { return window.xulG.new_patron_tab(a,b); }; }
             if (!cw.xulG.set_patron_tab) { cw.xulG.set_patron_tab = function(a,b) { return window.xulG.set_patron_tab(a,b); }; }
             if (!cw.xulG.volume_item_creator) { cw.xulG.volume_item_creator = function(a) { return window.xulG.volume_item_creator(a); }; }

diff --git a/Open-ILS/xul/staff_client/chrome/locale/en-US/offline.properties b/Open-ILS/xul/staff_client/chrome/locale/en-US/offline.properties
index ba7a470..b94d60a 100644 (file)
--- a/Open-ILS/xul/staff_client/chrome/locale/en-US/offline.properties
+++ b/Open-ILS/xul/staff_client/chrome/locale/en-US/offline.properties
@@ -280,3 +280,5 @@ menu.tab7.accesskey=7
 menu.tab8.accesskey=8
 menu.tab9.accesskey=9
 menu.tab10.accesskey=0
+menu.close_tab.unsaved_data_warning=This tab may have unsaved data. Close it anyway?
+menu.replace_tab.unsaved_data_warning=This tab may have unsaved data. Replace it anyway?