400 lines
10 KiB
JavaScript
400 lines
10 KiB
JavaScript
erpnext.HierarchyChart = class {
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/* Options:
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- wrapper: wrapper for the hierarchy view
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- method:
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- to get the data for each node
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- this method should return id, name, title, image, and connections for each node
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*/
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constructor(wrapper, method) {
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this.wrapper = $(wrapper);
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this.page = wrapper.page;
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this.method = method;
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this.page.main.css({
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'min-height': '300px',
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'max-height': '600px',
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'overflow': 'auto',
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'position': 'relative'
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});
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this.page.main.addClass('frappe-card');
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this.nodes = {};
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this.setup_node_class();
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}
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setup_node_class() {
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let me = this;
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this.Node = class {
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constructor({
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id, parent, parent_id, image, name, title, expandable, connections, is_root // eslint-disable-line
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}) {
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// to setup values passed via constructor
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$.extend(this, arguments[0]);
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this.expanded = 0;
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me.nodes[this.id] = this;
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me.make_node_element(this);
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me.setup_node_click_action(this);
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}
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}
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}
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make_node_element(node) {
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let node_card = frappe.render_template('node_card', {
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id: node.id,
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name: node.name,
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title: node.title,
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image: node.image,
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parent: node.parent_id,
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connections: node.connections
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});
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node.parent.append(node_card);
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node.$link = $(`#${node.id}`);
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}
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show() {
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frappe.breadcrumbs.add('HR');
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let me = this;
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let company = this.page.add_field({
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fieldtype: 'Link',
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options: 'Company',
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fieldname: 'company',
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placeholder: __('Select Company'),
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default: frappe.defaults.get_default('company'),
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only_select: true,
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reqd: 1,
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change: () => {
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me.company = undefined;
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if (company.get_value() && me.company != company.get_value()) {
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me.company = company.get_value();
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// svg for connectors
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me.make_svg_markers()
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if (me.$hierarchy)
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me.$hierarchy.remove();
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// setup hierarchy
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me.$hierarchy = $(
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`<ul class="hierarchy">
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<li class="root-level level"></li>
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</ul>`);
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me.page.main.append(me.$hierarchy);
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me.render_root_node();
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}
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}
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});
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company.refresh();
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$(`[data-fieldname="company"]`).trigger('change');
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}
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make_svg_markers() {
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$('#arrows').remove();
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this.page.main.prepend(`
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<svg id="arrows" width="100%" height="100%">
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<defs>
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<marker id="arrowhead-active" viewBox="0 0 10 10" refX="3" refY="5" markerWidth="6" markerHeight="6" orient="auto" fill="var(--blue-500)">
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<path d="M 0 0 L 10 5 L 0 10 z"></path>
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</marker>
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<marker id="arrowhead-collapsed" viewBox="0 0 10 10" refX="3" refY="5" markerWidth="6" markerHeight="6" orient="auto" fill="var(--blue-300)">
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<path d="M 0 0 L 10 5 L 0 10 z"></path>
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</marker>
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<marker id="arrowstart-active" viewBox="0 0 10 10" refX="3" refY="5" markerWidth="8" markerHeight="8" orient="auto" fill="var(--blue-500)">
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<circle cx="4" cy="4" r="3.5" fill="white" stroke="var(--blue-500)"/>
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</marker>
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<marker id="arrowstart-collapsed" viewBox="0 0 10 10" refX="3" refY="5" markerWidth="8" markerHeight="8" orient="auto" fill="var(--blue-300)">
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<circle cx="4" cy="4" r="3.5" fill="white" stroke="var(--blue-300)"/>
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</marker>
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</defs>
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<g id="connectors" fill="none">
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</g>
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</svg>`);
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}
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render_root_node() {
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let me = this;
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frappe.call({
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method: me.method,
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args: {
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company: me.company
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},
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callback: function(r) {
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if (r.message.length) {
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let data = r.message[0];
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let root_node = new me.Node({
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id: data.id,
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parent: me.$hierarchy.find('.root-level'),
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parent_id: undefined,
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image: data.image,
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name: data.name,
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title: data.title,
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expandable: true,
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connections: data.connections,
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is_root: true,
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});
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me.expand_node(root_node);
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}
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}
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})
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}
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expand_node(node) {
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let is_sibling = this.selected_node && this.selected_node.parent_id === node.parent_id;
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this.set_selected_node(node);
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this.show_active_path(node);
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this.collapse_previous_level_nodes(node);
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// since the previous node collapses, all connections to that node need to be rebuilt
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// if a sibling node is clicked, connections don't need to be rebuilt
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if (!is_sibling) {
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// rebuild outgoing connections
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this.refresh_connectors(node.parent_id);
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// rebuild incoming connections
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let grandparent = $(`#${node.parent_id}`).attr('data-parent');
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this.refresh_connectors(grandparent)
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}
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if (node.expandable && !node.expanded) {
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return this.load_children(node);
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}
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}
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collapse_node() {
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if (this.selected_node.expandable) {
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this.selected_node.$children.hide();
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$(`path[data-parent="${this.selected_node.id}"]`).hide();
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this.selected_node.expanded = false;
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}
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}
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show_active_path(node) {
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// mark node parent on active path
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$(`#${node.parent_id}`).addClass('active-path');
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}
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load_children(node) {
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frappe.run_serially([
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() => this.get_child_nodes(node.id),
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(child_nodes) => this.render_child_nodes(node, child_nodes)
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]);
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}
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get_child_nodes(node_id) {
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let me = this;
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return new Promise(resolve => {
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frappe.call({
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method: this.method,
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args: {
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parent: node_id,
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company: me.company
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},
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callback: (r) => {
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resolve(r.message);
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}
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});
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});
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}
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render_child_nodes(node, child_nodes) {
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const last_level = this.$hierarchy.find('.level:last').index();
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const current_level = $(`#${node.id}`).parent().parent().parent().index();
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if (last_level === current_level) {
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this.$hierarchy.append(`
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<li class="level"></li>
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`);
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}
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if (!node.$children) {
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node.$children = $('<ul class="node-children"></ul>')
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.hide()
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.appendTo(this.$hierarchy.find('.level:last'));
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node.$children.empty();
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if (child_nodes) {
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$.each(child_nodes, (_i, data) => {
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this.add_node(node, data);
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setTimeout(() => {
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this.add_connector(node.id, data.id);
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}, 250);
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});
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}
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}
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node.$children.show();
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$(`path[data-parent="${node.id}"]`).show();
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node.expanded = true;
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}
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add_node(node, data) {
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var $li = $('<li class="child-node"></li>');
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return new this.Node({
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id: data.id,
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parent: $li.appendTo(node.$children),
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parent_id: node.id,
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image: data.image,
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name: data.name,
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title: data.title,
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expandable: data.expandable,
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connections: data.connections,
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children: undefined
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});
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}
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add_connector(parent_id, child_id) {
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let parent_node = document.querySelector(`#${parent_id}`);
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let child_node = document.querySelector(`#${child_id}`);
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// variable for the namespace
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const svgns = 'http://www.w3.org/2000/svg';
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let path = document.createElementNS(svgns, 'path');
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// we need to connect right side of the parent to the left side of the child node
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let pos_parent_right = {
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x: parent_node.offsetLeft + parent_node.offsetWidth,
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y: parent_node.offsetTop + parent_node.offsetHeight / 2
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};
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let pos_child_left = {
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x: child_node.offsetLeft - 5,
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y: child_node.offsetTop + child_node.offsetHeight / 2
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};
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let connector =
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"M" +
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(pos_parent_right.x) + "," + (pos_parent_right.y) + " " +
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"C" +
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(pos_parent_right.x + 100) + "," + (pos_parent_right.y) + " " +
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(pos_child_left.x - 100) + "," + (pos_child_left.y) + " " +
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(pos_child_left.x) + "," + (pos_child_left.y);
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path.setAttribute("d", connector);
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path.setAttribute("data-parent", parent_id);
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path.setAttribute("data-child", child_id);
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if ($(`#${parent_id}`).hasClass('active')) {
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path.setAttribute("class", "active-connector");
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path.setAttribute("marker-start", "url(#arrowstart-active)");
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path.setAttribute("marker-end", "url(#arrowhead-active)");
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} else if ($(`#${parent_id}`).hasClass('active-path')) {
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path.setAttribute("class", "collapsed-connector");
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path.setAttribute("marker-start", "url(#arrowstart-collapsed)");
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path.setAttribute("marker-end", "url(#arrowhead-collapsed)");
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}
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$('#connectors').append(path);
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}
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set_selected_node(node) {
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// remove .active class from the current node
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$('.active').removeClass('active');
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// add active class to the newly selected node
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this.selected_node = node;
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node.$link.addClass('active');
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}
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collapse_previous_level_nodes(node) {
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let node_parent = $(`#${node.parent_id}`);
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let previous_level_nodes = node_parent.parent().parent().children('li');
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if (node_parent.parent().hasClass('root-level')) {
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previous_level_nodes = node_parent.parent().children('li');
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}
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let node_card = undefined;
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previous_level_nodes.each(function() {
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node_card = $(this).find('.node-card');
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if (!node_card.hasClass('active-path')) {
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node_card.addClass('collapsed');
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}
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});
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}
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refresh_connectors(node_parent) {
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if (!node_parent) return;
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$(`path[data-parent="${node_parent}"]`).remove();
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frappe.run_serially([
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() => this.get_child_nodes(node_parent),
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(child_nodes) => {
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if (child_nodes) {
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$.each(child_nodes, (_i, data) => {
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this.add_connector(node_parent, data.id);
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});
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}
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}
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]);
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}
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setup_node_click_action(node) {
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let me = this;
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let node_element = $(`#${node.id}`);
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node_element.click(function() {
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let is_sibling = me.selected_node.parent_id === node.parent_id;
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if (is_sibling) {
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me.collapse_node();
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} else if (node_element.is(':visible')
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&& (node_element.hasClass('collapsed') || node_element.hasClass('active-path'))) {
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me.remove_levels_after_node(node);
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me.remove_orphaned_connectors();
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}
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me.expand_node(node);
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});
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}
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remove_levels_after_node(node) {
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let level = $(`#${node.id}`).parent().parent().parent();
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if ($(`#${node.id}`).parent().hasClass('root-level')) {
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level = $(`#${node.id}`).parent();
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}
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level = $('.hierarchy > li:eq('+ level.index() + ')');
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level.nextAll('li').remove();
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let nodes = level.find('.node-card');
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let node_object = undefined;
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$.each(nodes, (_i, element) => {
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node_object = this.nodes[element.id];
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node_object.expanded = 0;
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node_object.$children = undefined;
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});
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nodes.removeClass('collapsed active-path');
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}
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remove_orphaned_connectors() {
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let paths = $('#connectors > path');
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$.each(paths, (_i, path) => {
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let parent = $(path).data('parent');
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let child = $(path).data('child');
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if ($(parent).length || $(child).length)
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return;
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$(path).remove();
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})
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}
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} |