From 9adaabbf38413b10bde23f0cf22c4b10e699db8d Mon Sep 17 00:00:00 2001
From: rohitwaghchaure <rohitw1991@gmail.com>
Date: Tue, 1 Mar 2016 15:19:22 +0530
Subject: [PATCH] [enhancement] multi-lingual print formats

---
 frappe/__init__.py                            |  4 +-
 frappe/boot.py                                |  4 +-
 frappe/config/setup.py                        |  5 ++
 frappe/desk/page/setup_wizard/setup_wizard.py |  2 +-
 frappe/public/js/frappe/form/print.js         | 49 ++++++++++++++-----
 .../public/js/frappe/form/print_layout.html   |  6 ++-
 frappe/public/js/frappe/translate.js          |  8 +++
 .../public/js/frappe/views/communication.js   | 26 +++++++++-
 frappe/public/js/legacy/form.js               |  1 +
 .../print_formats/standard_macros.html        |  2 +-
 frappe/translate.py                           | 20 +++++++-
 11 files changed, 105 insertions(+), 22 deletions(-)

diff --git a/frappe/__init__.py b/frappe/__init__.py
index ee84d8b785..c6238580f9 100644
--- a/frappe/__init__.py
+++ b/frappe/__init__.py
@@ -51,9 +51,9 @@ def _(msg, lang=None):
 
 	if lang == "en":
 		return msg
-
+		
 	return get_full_dict(local.lang).get(msg) or msg
-
+	
 def get_lang_dict(fortype, name=None):
 	"""Returns the translated language dict for the given type and name.
 
diff --git a/frappe/boot.py b/frappe/boot.py
index 82366a7b11..e2b1c136e0 100644
--- a/frappe/boot.py
+++ b/frappe/boot.py
@@ -12,6 +12,7 @@ import frappe.desk.desk_page
 from frappe.utils import get_gravatar
 from frappe.desk.form.load import get_meta_bundle
 from frappe.utils.change_log import get_versions
+from frappe.translate import get_lang_dict
 
 def get_bootinfo():
 	"""build and return boot info"""
@@ -77,7 +78,8 @@ def get_bootinfo():
 
 	bootinfo.error_report_email = frappe.get_hooks("error_report_email")
 	bootinfo.calendars = sorted(frappe.get_hooks("calendars"))
-
+	bootinfo["lang_dict"] = get_lang_dict()
+	
 	return bootinfo
 
 def load_conf_settings(bootinfo):
diff --git a/frappe/config/setup.py b/frappe/config/setup.py
index 61a9df0a32..dcee33e5c4 100644
--- a/frappe/config/setup.py
+++ b/frappe/config/setup.py
@@ -83,6 +83,11 @@ def get_data():
 					"name": "Error Snapshot",
 					"description": _("Log of error during requests.")
 				},
+				{
+					"type": "doctype",
+					"name": "Translation",
+					"description": _("For user specific translations")
+				}
 			]
 		},
 		{
diff --git a/frappe/desk/page/setup_wizard/setup_wizard.py b/frappe/desk/page/setup_wizard/setup_wizard.py
index bf0b94795d..68a68f77c4 100644
--- a/frappe/desk/page/setup_wizard/setup_wizard.py
+++ b/frappe/desk/page/setup_wizard/setup_wizard.py
@@ -125,7 +125,7 @@ def add_all_roles_to(name):
 
 @frappe.whitelist()
 def load_messages(language):
-	"""Load translation messages for given langauge from all `setup_wizard_requires`
+	"""Load translation messages for given language from all `setup_wizard_requires`
 	javascript files"""
 	frappe.clear_cache()
 	set_default_language(language)
diff --git a/frappe/public/js/frappe/form/print.js b/frappe/public/js/frappe/form/print.js
index 23327c0670..3aac8b31f6 100644
--- a/frappe/public/js/frappe/form/print.js
+++ b/frappe/public/js/frappe/form/print.js
@@ -17,13 +17,13 @@ frappe.ui.form.PrintPreview = Class.extend({
 		this.wrapper.find(".btn-print-close").click(function() {
 			me.frm.hide_print();
 		});
-		
+
 		// hide print view on pressing escape, only if there is no focus on any input
 		$(document).on("keydown", function(e) {
 			if (e.which===27 && me.frm && e.target===document.body) {
 				me.frm.hide_print();
 			}
-		});	
+		});
 
 		this.print_formats = frappe.meta.get_print_formats(this.frm.meta.name);
 		this.print_letterhead = this.wrapper
@@ -35,14 +35,15 @@ frappe.ui.form.PrintPreview = Class.extend({
 		this.print_sel = this.wrapper
 			.find(".print-preview-select")
 			.on("change", function() {
-				if(me.is_old_style()) {
-					me.wrapper.find(".btn-download-pdf").toggle(false);
-					me.set_style();
-					me.preview_old_style();
-				} else {
-					me.wrapper.find(".btn-download-pdf").toggle(true);
-					me.preview();
-				}
+				me.multilingual_preview()
+			});
+
+		//On selection of language get code and pass it to preview method
+		this.language_sel = this.wrapper
+			.find(".languages")
+			.on("change", function(){
+				me.lang_code = me.language_sel.val()
+				me.multilingual_preview()
 			});
 
 		this.wrapper.find(".btn-print-print").click(function() {
@@ -67,7 +68,8 @@ frappe.ui.form.PrintPreview = Class.extend({
 					+"doctype="+encodeURIComponent(me.frm.doc.doctype)
 					+"&name="+encodeURIComponent(me.frm.doc.name)
 					+"&format="+me.selected_format()
-					+"&no_letterhead="+(me.with_letterhead() ? "0" : "1"));
+					+"&no_letterhead="+(me.with_letterhead() ? "0" : "1")
+					+"&_lang="+me.lang_code);
 				if(!w) {
 					msgprint(__("Please enable pop-ups")); return;
 				}
@@ -97,6 +99,25 @@ frappe.ui.form.PrintPreview = Class.extend({
 			}
 		});
 	},
+	set_user_lang: function(){
+		this.lang_code = this.frm.doc.language;
+		// Load all languages in the field
+		this.language_sel.empty()
+			.add_options(frappe.get_languages_dict())
+			.val(this.lang_code);
+		this.preview();
+	},
+	multilingual_preview: function(){
+		var me = this;
+		if(this.is_old_style()) {
+			me.wrapper.find(".btn-download-pdf").toggle(false);
+			me.set_style();
+			me.preview_old_style();
+		} else {
+			me.wrapper.find(".btn-download-pdf").toggle(true);
+			me.preview();
+		}
+	},
 	preview: function() {
 		var me = this;
 		this.get_print_html(function(out) {
@@ -114,7 +135,8 @@ frappe.ui.form.PrintPreview = Class.extend({
 			+"&name="+encodeURIComponent(me.frm.doc.name)
 			+(printit ? "&trigger_print=1" : "")
 			+"&format="+me.selected_format()
-			+"&no_letterhead="+(me.with_letterhead() ? "0" : "1"));
+			+"&no_letterhead="+(me.with_letterhead() ? "0" : "1")
+			+"&_lang="+me.lang_code);
 		if(!w) {
 			msgprint(__("Please enable pop-ups")); return;
 		}
@@ -125,7 +147,8 @@ frappe.ui.form.PrintPreview = Class.extend({
 			args: {
 				doc: this.frm.doc,
 				print_format: this.selected_format(),
-				no_letterhead: !this.with_letterhead() ? 1 : 0
+				no_letterhead: !this.with_letterhead() ? 1 : 0,
+				_lang: this.lang_code
 			},
 			callback: function(r) {
 				if(!r.exc) {
diff --git a/frappe/public/js/frappe/form/print_layout.html b/frappe/public/js/frappe/form/print_layout.html
index cba712ddcb..9cb8bc6e8a 100644
--- a/frappe/public/js/frappe/form/print_layout.html
+++ b/frappe/public/js/frappe/form/print_layout.html
@@ -1,8 +1,10 @@
 <div class="form-print-wrapper">
 	<div class="print-toolbar row">
-		<div class="col-xs-3">
+		<div class="col-xs-2">
 			<select class="print-preview-select input-sm form-control"></select></div>
-		<div class="col-xs-3">
+		<div class="col-xs-2">
+			<select class="languages input-sm form-control"></select></div>
+		<div class="col-xs-2">
 			<div class="checkbox small" style="margin-top: 7px; margin-bottom: 0px;">
                 <label>
                     <input type="checkbox" class="print-letterhead text-muted" style="margin-top: 1px;"/>
diff --git a/frappe/public/js/frappe/translate.js b/frappe/public/js/frappe/translate.js
index 04cb144f99..ace0e2cc8b 100644
--- a/frappe/public/js/frappe/translate.js
+++ b/frappe/public/js/frappe/translate.js
@@ -15,3 +15,11 @@ frappe._ = function(txt, replace) {
 	return ret;
 };
 window.__ = frappe._
+
+frappe.get_languages_dict = function() {
+	var lang_dict = []
+	$.each(frappe.boot.lang_dict, function(lang, val){
+		lang_dict.push({'label': lang, 'value': val})
+	})
+	return lang_dict
+};
diff --git a/frappe/public/js/frappe/views/communication.js b/frappe/public/js/frappe/views/communication.js
index b1f220ab95..8c1bd83234 100644
--- a/frappe/public/js/frappe/views/communication.js
+++ b/frappe/public/js/frappe/views/communication.js
@@ -76,6 +76,8 @@ frappe.views.CommunicationComposer = Class.extend({
 				fieldname:"attach_document_print"},
 			{label:__("Select Print Format"), fieldtype:"Select",
 				fieldname:"select_print_format"},
+			{label:__("Select Languages"), fieldtype:"Select",
+				fieldname:"language_sel"},
 			{fieldtype: "Column Break"},
 			{label:__("Select Attachments"), fieldtype:"HTML",
 				fieldname:"select_attachments"}
@@ -84,6 +86,7 @@ frappe.views.CommunicationComposer = Class.extend({
 
 	prepare: function() {
 		this.setup_subject_and_recipients();
+		this.setup_print_language()
 		this.setup_print();
 		this.setup_attach();
 		this.setup_email();
@@ -215,6 +218,26 @@ frappe.views.CommunicationComposer = Class.extend({
 		return frappe.last_edited_communication[cur_frm.doctype][key];
 	},
 
+	setup_print_language: function() {
+		var me = this;
+		var doc = cur_frm.doc;
+		var fields = this.dialog.fields_dict;
+
+		//Load default print language from doctype
+		this.lang_code = doc.language
+
+		//On selection of language retrieve language code
+		$(fields.language_sel.input).click(function(){
+			me.lang_code = this.value
+		})
+
+		// Load all languages in the select field language_sel
+		$(fields.language_sel.input)
+			.empty()
+			.add_options(frappe.get_languages_dict())
+			.val(doc.language)
+	},
+
 	setup_print: function() {
 		// print formats
 		var fields = this.dialog.fields_dict;
@@ -373,7 +396,8 @@ frappe.views.CommunicationComposer = Class.extend({
 				print_format: print_format,
 				communication_medium: form_values.communication_medium,
 				sent_or_received: form_values.sent_or_received,
-				attachments: selected_attachments
+				attachments: selected_attachments,
+				_lang : me.lang_code
 			},
 			btn: btn,
 			callback: function(r) {
diff --git a/frappe/public/js/legacy/form.js b/frappe/public/js/legacy/form.js
index ad938ae099..e3e01e13fc 100644
--- a/frappe/public/js/legacy/form.js
+++ b/frappe/public/js/legacy/form.js
@@ -173,6 +173,7 @@ _f.Frm.prototype.print_doc = function() {
 	}
 	this.print_preview.refresh_print_options().trigger("change");
 	this.page.set_view("print");
+	this.print_preview.set_user_lang()
 }
 
 _f.Frm.prototype.hide_print = function() {
diff --git a/frappe/templates/print_formats/standard_macros.html b/frappe/templates/print_formats/standard_macros.html
index 02c0c935b8..bb5ed93daa 100644
--- a/frappe/templates/print_formats/standard_macros.html
+++ b/frappe/templates/print_formats/standard_macros.html
@@ -94,7 +94,7 @@ data-fieldname="{{ df.fieldname }}" data-fieldtype="{{ df.fieldtype }}"
     {% elif df.fieldtype=="HTML" %}
         {{ frappe.render_template(df.options, {"doc":doc}) }}
 	{% else %}
-		{{ doc.get_formatted(df.fieldname, parent_doc or doc) }}
+		{{ _(doc.get_formatted(df.fieldname, parent_doc or doc)) }}
 	{% endif %}
 {%- endmacro %}
 
diff --git a/frappe/translate.py b/frappe/translate.py
index ec6f6f42c9..bd52c78199 100644
--- a/frappe/translate.py
+++ b/frappe/translate.py
@@ -179,6 +179,10 @@ def get_full_dict(lang):
 			# cache lang
 			frappe.cache().hset("lang_full_dict", lang, frappe.local.lang_full_dict)
 
+		# get user specific transaltion data
+		user_translations = get_user_translations(lang)
+		if user_translations:
+			frappe.local.lang_full_dict.update(user_translations)
 	return frappe.local.lang_full_dict
 
 def load_lang(lang, apps=None):
@@ -210,6 +214,20 @@ def get_translation_dict_from_file(path, lang, app):
 
 	return cleaned
 
+def get_user_translations(lang):
+	out = frappe.cache().hget('lang_user_translations', lang)
+	if not out:
+		out = {}
+		for fields in frappe.get_all('Translation',
+			fields= ["source_name", "target_name"],filters={'language_code': lang}):
+				out.update({fields.source_name: fields.target_name})
+		frappe.cache().hset('lang_user_translations', lang, out)
+	return out
+
+# def get_user_translation_key():
+# 	return 'lang_user_translations:{0}'.format(frappe.local.site)
+
+
 def clear_cache():
 	"""Clear all translation assets from :meth:`frappe.cache`"""
 	cache = frappe.cache()
@@ -532,7 +550,7 @@ def write_translations_file(app, lang, full_dict=None, app_messages=None):
 
 	:param app: `app` for which translations are to be written.
 	:param lang: Language code.
-	:param full_dict: Full translated langauge dict (optional).
+	:param full_dict: Full translated language dict (optional).
 	:param app_messages: Source strings (optional).
 	"""
 	if not app_messages: