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Unlock entries via AJAX request when leaving page

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This commit is contained in:
Stefan Ritt 2015-03-27 10:32:45 +01:00
parent 10b37d8827
commit 26519b5859
1 changed files with 40 additions and 14 deletions
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54
src/elogd.c
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@ -10157,23 +10157,44 @@ void show_edit_form(LOGBOOK * lbs, int message_id, BOOL breply, BOOL bedit, BOOL
rsprintf(" document.form1.submit();\n"); rsprintf(" document.form1.submit();\n");
rsprintf("}\n\n"); rsprintf("}\n\n");
/* abandon() gets called "onUnload" */ /* beforeunload() gets called "onBeforeUnload" */
rsprintf("function unload()\n"); rsprintf("function beforeunload(e)\n");
rsprintf("{\n"); rsprintf("{\n");
rsprintf(" if (!submitted && entry_modified) {\n"); rsprintf(" if (!submitted)\n");
rsprintf(" var subm = confirm(\"%s\");\n", loc("Submit modified ELOG entry?")); rsprintf(" e.returnValue = \"%s\";\n", loc("If you leave this page you will lose your unsaved changes"));
rsprintf(" if (subm) {\n"); rsprintf("}\n\n");
rsprintf(" document.form1.jcmd.value = \"%s\";\n", loc("Submit"));
rsprintf(" document.form1.submit();\n"); rsprintf("function XMLHttpRequestGeneric()\n");
rsprintf(" } else {\n"); rsprintf("{\n");
rsprintf(" document.form1.jcmd.value = \"%s\";\n", loc("Back")); rsprintf(" var request;\n");
rsprintf(" document.form1.submit();\n"); rsprintf(" try {\n");
rsprintf(" request = new XMLHttpRequest(); // Firefox, Opera 8.0+, Safari\n");
rsprintf(" }\n");
rsprintf(" catch (e) {\n");
rsprintf(" try {\n");
rsprintf(" request = new ActiveXObject('Msxml2.XMLHTTP'); // Internet Explorer\n");
rsprintf(" }\n");
rsprintf(" catch (e) {\n");
rsprintf(" try {\n");
rsprintf(" request = new ActiveXObject('Microsoft.XMLHTTP');\n");
rsprintf(" }\n");
rsprintf(" catch (e) {\n");
rsprintf(" alert('Your browser does not support AJAX!');\n");
rsprintf(" return undefined;\n");
rsprintf(" }\n");
rsprintf(" }\n"); rsprintf(" }\n");
rsprintf(" }\n"); rsprintf(" }\n");
rsprintf(" if (!submitted && !entry_modified) {\n"); rsprintf(" return request;\n");
rsprintf(" document.form1.jcmd.value = \"%s\";\n", loc("Back")); rsprintf("}\n\n");
rsprintf(" document.form1.submit();\n");
rsprintf(" }\n"); /* unload() gets called "onUnload", issues a "back" command to remove a possible lock */
rsprintf("function unload()\n");
rsprintf("{\n");
rsprintf(" if (!submitted) {\n");
rsprintf(" r = XMLHttpRequestGeneric();\n");
rsprintf(" r.open('GET', '?jcmd=%s&edit_id=%d', false);\n", loc("Back"), message_id);
rsprintf(" r.send(null);\n");
rsprintf(" }\n");
rsprintf("}\n\n"); rsprintf("}\n\n");
/* mod() gets called via "onchange" event */ /* mod() gets called via "onchange" event */
@ -10256,6 +10277,11 @@ void show_edit_form(LOGBOOK * lbs, int message_id, BOOL breply, BOOL bedit, BOOL
rsprintf("var next_attachment = %d;\n", i + 1); rsprintf("var next_attachment = %d;\n", i + 1);
break; break;
} }
rsprintf("\n");
rsprintf("window.onbeforeunload = beforeunload;\n");
rsprintf("\n");
rsprintf("//-->\n"); rsprintf("//-->\n");
rsprintf("</script>\n"); rsprintf("</script>\n");