From fb5be170575653f6e2c082fc3627e08aba71e941 Mon Sep 17 00:00:00 2001
From: Pranam Lashkari <lpranam@collabora.com>
Date: Tue, 3 Jan 2023 08:29:10 +0530
Subject: [PATCH] zotero: fetch the selected citation style details

fetching selected style language details will allow us to make adjustments to citation texts
this is particularly helpful in handling citation numbers and citation clusters

Signed-off-by: Pranam Lashkari <lpranam@collabora.com>
Change-Id: Ia469e0e44fc0550c083ce572f8fe9f512947a1f4
---
 browser/src/control/Control.Zotero.js | 50 +++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/browser/src/control/Control.Zotero.js b/browser/src/control/Control.Zotero.js
index 38764b94e..6bca2c492 100644
--- a/browser/src/control/Control.Zotero.js
+++ b/browser/src/control/Control.Zotero.js
@@ -473,6 +473,54 @@ L.Control.Zotero = L.Control.extend({
 		app.socket.sendMessage('commandvalues command=.uno:SetDocumentProperties?namePrefix=ZOTERO_PREF_');
 	},
 
+	setFetchedCitationFormat: function(style) {
+		if (!style)
+			style = this.settings.style;
+
+		var that = this;
+		fetch('https://www.zotero.org/styles/' + style)
+			.then(function (response) { return response.text(); })
+			.then(function (html) {
+				var csl = new DOMParser().parseFromString(html, 'text/xml');
+				var categories = csl.getElementsByTagName('category');
+				for (var i = 0; i < categories.length; i++) {
+					if (categories[i].getAttribute('citation-format')) {
+						that.settings.citationFormat = categories[i].getAttribute('citation-format');
+						break;
+					}
+				}
+
+				var citation = csl.getElementsByTagName('citation')[0];
+
+				if (citation) {
+					that.setCitationLayout(citation);
+					that.updateCitations();
+				} else {
+					var link = csl.getElementsByTagName('link');
+					for (var i = 0; i < link.length; i++) {
+						if (link[i].getAttribute('rel') === 'independent-parent') {
+							that.setFetchedCitationFormat(link[i].getAttribute('href').substring(link[i].getAttribute('href').lastIndexOf('/')+1));
+							break;
+						}
+					}
+				}
+			});
+	},
+
+	setCitationLayout: function(ciatationNode) {
+		var layout = ciatationNode.getElementsByTagName('layout')[0];
+		this.settings.layout = {};
+		this.settings.layout['prefix'] = layout && layout.getAttribute('prefix') ? layout.getAttribute('prefix') : '';
+		this.settings.layout['suffix'] = layout && layout.getAttribute('suffix') ? layout.getAttribute('suffix') : '';
+		this.settings.layout['delimiter'] = layout && layout.getAttribute('delimiter') ? layout.getAttribute('delimiter') : '';
+
+		var group = layout.getElementsByTagName('group')[0];
+		this.settings.group = {};
+		this.settings.group['prefix'] = group && group.getAttribute('prefix') ? group.getAttribute('prefix') : '';
+		this.settings.group['suffix'] = group && group.getAttribute('suffix') ? group.getAttribute('suffix') : '';
+		this.settings.group['delimiter'] = group && group.getAttribute('delimiter') ? group.getAttribute('delimiter') : '';
+	},
+
 	setFetchedStyle: function(userDefinedProperties) {
 		var valueString = '';
 		for (var i = 0; i < userDefinedProperties.length; i++) {
@@ -486,6 +534,7 @@ L.Control.Zotero = L.Control.extend({
 		var locale = styleNode.getAttribute('locale');
 		if (locale)
 			this.settings.locale = locale;
+		this.setFetchedCitationFormat();
 		return;
 	},
 
@@ -551,6 +600,7 @@ L.Control.Zotero = L.Control.extend({
 
 		}
 		this.map.sendUnoCommand('.uno:SetDocumentProperties', style);
+		this.setFetchedCitationFormat();
 	},
 
 	_findEntryWithUrlImpl: function(entry, url) {