Land unit tree (#12072)

* improvise tree structure

* remove set intro code

* remove all land units dependency

* test case corrected

erpnext/agriculture/doctype/land_unit/land_unit.js

@@ -27,15 +27,4 @@ frappe.ui.form.on('Land Unit', {
 			frm.doc.longitude = frm.fields_dict.location.map.getCenter()['lng'];
 		}
 	},
-	refresh: function(frm) {
-		if(!frm.doc.parent_land_unit) {
-			frm.set_read_only();
-			frm.set_intro(__("This is a root land unit and cannot be edited."));
-		} else {
-			frm.set_intro(null);
-		}
-	},
-	parent_land_unit: function(frm) {
-		frm.set_intro(null);
-	},
 });

erpnext/agriculture/doctype/land_unit/land_unit.py

@@ -32,6 +32,7 @@ class LandUnit(NestedSet):
 				ancestor_features[index] = json.loads(feature)
 			ancestor_doc.set_location_value(features = ancestor_features)	
 			ancestor_doc.db_set(fieldname='area', value=ancestor_doc.get('area')-self.get('area'),commit=True)
+		super(LandUnit, self).on_update()
 
 	def validate(self):
 		if not self.is_new():
@@ -79,7 +80,6 @@ class LandUnit(NestedSet):
 
 	def on_update(self):
 		super(LandUnit, self).on_update()
-		self.validate_one_root()
 
 	def add_child_property(self):
 		location = self.get('location')
@@ -164,3 +164,17 @@ def ring_area(coords):
 		area = area * RADIUS * RADIUS / 2
 	return area
 
+@frappe.whitelist()
+def get_children(doctype, parent, is_root=False):
+	if is_root:
+		parent = ''
+
+	land_units = frappe.db.sql("""select name as value,
+		is_group as expandable
+		from `tabLand Unit`
+		where ifnull(`parent_land_unit`,'') = %s
+		order by name""", (parent), as_dict=1)
+
+	# return nodes
+	return land_units
+		

erpnext/agriculture/doctype/land_unit/land_unit_tree.js

@@ -1,11 +1,26 @@
 frappe.treeview_settings["Land Unit"] = {
+	get_tree_nodes: "erpnext.agriculture.doctype.land_unit.land_unit.get_children",
 	ignore_fields:["parent_land_unit"],
+	get_tree_root: false,
 	disable_add_node: true,
+	root_label: "All Land Units",
+	onload: function(me) {
+		me.make_tree();
+	},
 	toolbar: [
 		{ toggle_btn: true },
 		{
-			label:__("Add Child"),
+			label:__("Edit"),
+			condition: function(node) { return (node.label!='All Land Units'); },
 			click: function(node) {
+				frappe.set_route('Form', 'Land Unit', node.data.value);
+			}
+		},
+		{
+			label:__("Add Child"),
+			condition: function(node) { return node.expandable; },
+			click: function(node) {
+				if(node.label=='All Land Units') node.label='';
 				var lu = frappe.new_doc("Land Unit", {
 					"parent_land_unit": node.label
 				});

erpnext/agriculture/doctype/land_unit/test_land_unit.js

@@ -12,7 +12,6 @@ QUnit.test("test: Land Unit", function (assert) {
 		// insert a new Land Unit
 		() => frappe.tests.make('Land Unit', [
 			// values to be set
-			{parent_land_unit: 'All Land Units'},
 			{land_unit_name: 'Basil Farm'}
 		]),
 		() => {

erpnext/agriculture/doctype/land_unit/test_land_unit.py

@@ -21,6 +21,6 @@ class TestLandUnit(unittest.TestCase):
 			temp['features'][0]['properties']['feature_of'] =	land_unit 
 			formatted_land_units.extend(temp['features'])
 		formatted_land_unit_string = str(formatted_land_units)
-		all_land_units = frappe.get_doc('Land Unit', 'All Land Units')
+		test_land = frappe.get_doc('Land Unit', 'Test Land')
-		self.assertEquals(formatted_land_unit_string, str(json.loads(all_land_units.get('location'))['features']))
+		self.assertEquals(formatted_land_unit_string, str(json.loads(test_land.get('location'))['features']))
-		self.assertEquals(area, all_land_units.get('area'))
+		self.assertEquals(area, test_land.get('area'))

erpnext/agriculture/doctype/land_unit/test_records.json

@@ -1,10 +1,16 @@
 [
+	{
+		"doctype": "Land Unit",
+		"land_unit_name": "Test Land",
+		"is_group": 1,
+		"is_container": 1
+	},
 	{
 		"doctype": "Land Unit",
 		"land_unit_name": "Basil Farm",
 		"location": "{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"properties\":{\"point_type\":\"circle\",\"radius\":884.5625420736483},\"geometry\":{\"type\":\"Point\",\"coordinates\":[72.875834,19.100566]}}]}",
-		"parent_land_unit": "All Land Units",
+		"parent_land_unit": "Test Land",
-		"parent": "All Land Units",
+		"parent": "Test Land",
 		"is_group": 1,
 		"is_container": 1
 	},

erpnext/agriculture/setup.py

@@ -4,18 +4,13 @@ from frappe import _
 from erpnext.setup.utils import insert_record
 
 def setup_agriculture():
-	if frappe.db.exists('Land Unit', 'All Land Units'):
+	if frappe.get_all('Agriculture Analysis Criteria'):
 		# already setup
 		return
 	create_agriculture_data()
 
 def create_agriculture_data():
 	records = [
-		dict(
-			doctype="Land Unit",
-			land_unit_name="All Land Units",
-			is_group=1,
-			is_container=1),
 		dict(
 			doctype='Item Group',
 			item_group_name='Fertilizer',