bricks/bricks/tree.js
2025-07-29 19:04:43 +08:00

550 lines
14 KiB
JavaScript

var bricks = window.bricks || {};
bricks.TreeNode = class extends bricks.VBox {
constructor(tree, pnode, data){
var opts = {
width:'100%',
height:'auto',
}
super(opts);
this.tree = tree;
this.parent_node = pnode;
this.children_loaded = false;
this.user_data = data;
this.is_leaf_field = this.tree.is_leafField || 'is_leaf';
this.is_leaf = this.user_data[this.is_leaf_field];
this.params = bricks.extend(this.tree.params, {id:this.user_data[this.tree.opts.idField]});
if (this.tree.opts.typeField){
this.params.type = this.user_data[this.tree.opts.typeField];
}
var n = new bricks.HBox({
height:this.tree.row_height,
width:'100%'
})
n.dom_element.style.margin = bricks.app.charsize * 0.2;
this.add_widget(n);
n.bind('click', this.tree.node_click_handle.bind(this.tree, this));
this.node_widget = n;
schedule_once(this.create_node_content.bind(this,n), 0.01);
if (! this.user_data.is_leaf) {
this.container = new bricks.VBox({height:'auto'});
this.add_widget(this.container);
this.container.dom_element.style.marginLeft = bricks.app.charsize + 'px';
if (this.user_data.children){
this.tree.create_node_children(this, this.user_data.children);
}
this.container.hide();
}
this.setup_icon_urls()
}
getValue(){
var v = this.user_data;
if (this.container){
var children = [];
for (var i=0; i<this.container.children.length;i++){
var sv = this.container.children[i].getValue();
children.push(sv);
}
v.children = children;
}
return v;
}
get_id(){
return this.user_data[this.tree.idField];
}
selected(flg){
if (flg){
this.str_w.set_css('selected');
} else {
this.str_w.set_css('selected',true);
}
}
async toggleExpandCollapse(event){
if (event.params == 'open') {
await this.expand();
} else {
this.collapse()
}
}
async expand(){
this.node_state = 'open';
if (this.is_leaf){
return;
}
if (this.tree.opts.dataurl && !this.is_leaf && !this.children_loaded){
await this.tree.get_children_data(this)
this.children_loaded = true;
}
this.container.show();
}
collapse(){
this.node_state = 'close'
if (this.is_leaf){
return;
}
this.container.hide();
}
create_triple(){
return new bricks.StatedSvg({
state:'close',
states:[
{
state: 'open',
url: bricks_resource('imgs/node-expand.svg')
},
{
state: 'close',
url: bricks_resource('imgs/node-collapse.svg')
}
],
rate: 1,
});
}
change_node_type(){
if (this.is_leaf){
this.triple.set_state('close');
this.triple.bind('state_changed', this.toggleExpandCollapse.bind(this));
return;
this.triple.set_url(null);
this.triple.unbind('state_changed', this.toggleExpandCollapse.bind(this));
} else {
this.triple.set_state('close');
this.triple.bind('state_changed', this.toggleExpandCollapse.bind(this));
}
}
async create_node_content(widget){
var img_size = bricks.app.charsize;
this.triple = this.create_triple();
widget.add_widget(this.triple);
this.change_node_type();
if (this.tree.checkField){
var v = this.user_data[this.tree.checkField];
this.check_w = new bricks.UiCheck({name:'check', value:v});
widget.add_widget(this.check_w);
this.check_w.bind('changed', this.tree.node_checked.bind(this.tree, this))
}
var icon_url = this.icons_urls.leaf;
if (this.is_leaf) icon_url = this.icons_urls.leaf;
else if (this.node_state == 'expand') this.icon_url = this.icons_urls.open;
else this.icon_url = this.icons_urls.close;
var img = new bricks.Svg({
rate:1,
url:this.icon_url
});
widget.add_widget(img);
if (this.tree.node_view){
this.view_w = await bricks.widgetBuild(this.tree.node_view, widget, this.user_data);
if (this.view_w){
widget.add_widget(this.view_w);
}
} else {
var txt = this.user_data[this.tree.opts.textField];
this.str_w = new bricks.Text({text:txt});
widget.add_widget(this.str_w);
}
}
async update_content(){
if (this.tree.node_view){
this.node_widget.remove_Widget(this.view_w);
this.view_w = await bricks.widgetBuild(this.tree.node_view, widget, this.user_data);
if (this.view_w){
widget.add_widget(this.view_w);
}
}
this.str_w.set_text(this.user_data[this.tree.opts.textField]);
}
setup_icon_urls(){
if (this.tree.opts.typeField){
var ntype = this.user_data[this.opts.typeField];
var icons = null;
if (this.tree.node_state_icons){
icons = this.tree.node_state_icons[ntype];
var dt = this.tree.node_state_icons.default_type;
if (dt){
icon = this.tree.node_state_icons[dt];
}
}
}
if (! icons){
icons = {
open: bricks_resource('imgs/open-folders.svg'),
close: bricks_resource('imgs/close-folder.svg'),
leaf: bricks_resource('imgs/close-folder.svg')
};
}
this.icons_urls = icons;
}
}
bricks.Tree = class extends bricks.VScrollPanel {
/*
{
row_height:
idField:
is_leafField:
textField:
type_icons:
typeField:
default_type:
data:
dataurl:
node_state_icon:{
nodetype:{
open:url,
close:url,
leaf:url
}
default_type:
},
admin:{
{
addurl:
deleteurl:
updateurl:
othertools:[
]
}
}
}
*/
constructor(options){
super(options);
this.row_height = this.opts.row_height || '35px';
this.multitype_tree = this.opts.multitype_tree||false;
this.selected_node = null;
this.build_title();
this.build_description();
this.create_toolbar();
this.checked_data = [];
this.container = new bricks.VBox({
"width":"100%",
"height":"auto",
"overflow":"auto"
});
this.add_widget(this.container);
this.data_id = null;
if (this.opts.dataurl){
this.params = options.params || {};
schedule_once(this.get_children_data.bind(this, this), 0.1);
} else {
this.user_data = {
id:null,
children:this.opts.data
}
this.create_node_children(this, this.opts.data);
}
}
getValue(){
var v = this.user_data;
if (this.container){
var children = [];
for (var i=0; i<this.container.children.length;i++){
var sv = this.container.children[i].getValue();
children.push(sv);
}
v.children = children;
}
return v;
}
get_id(){
return this.user_data[this.idField];
}
create_toolbar(){
var toolbar = bricks.extend({}, this.toolbar);
var tools = [];
if (this.editable){
tools.push({icon:bricks_resource('imgs/add.svg'), name:'add'});
tools.push({icon:bricks_resource('imgs/edit.svg'), name:'update'});
tools.push({icon:bricks_resource('imgs/delete.svg'), name:'delete'});
}
if (toolbar.tools){
toolbar.tools.forEach(f => tools.push(f));
}
if (tools.length == 0){
return;
}
toolbar.tools = tools;
this.toolbar_w = new bricks.IconTextBar(toolbar);
this.add_widget(this.toolbar_w);
this.toolbar_w.bind('command', this.toolbar_command.bind(this))
}
toolbar_command(event){
var opts = event.params;
switch (opts.name){
case 'add':
this.add_new_node();
break;
case 'delete':
this.delete_node();
break;
case 'update':
this.update_node();
break;
default:
if ((opts.selected_data || opts.checked_data) && ! this.selected_node){
w = new bricks.Error({title:'Error', message:'No selected node found'});
w.open();
return;
}
console.log('opts=', opts);
var d = null;
if (opts.checked_data){
d = this.checked_data
} else if (opts.selected_data){
d = this.selected_node.user_data
}
this.dispatch(opts.name, d);
break;
}
}
async add_new_node(){
var w = new bricks.ModalForm({
target:this,
"width":"80%",
"height":"80%",
title:'add new node',
fields:this.editable.fields
});
w.bind('submit', this.new_node_inputed.bind(this))
}
async new_node_inputed(event){
var d = event.params;
var node = this;
if (this.selected_node){
node = this.selected_node;
if (d instanceof FormData){
d.append(this.parentField, node.get_id());
} else {
d[this.parentField] = node.get_id();
}
} else if (this.opts.params.id) {
if (d instanceof FormData){
d.append(this.parentField, this.opts.params.id);
} else {
d[this.parentField] = this.opts.params.id;
}
}
if (this.opts.newdata_params){
for (const [k, v] of Object.entries(this.opts.newdata_params)){
if (d instanceof FormData){
d.append(k, v);
} else {
d[k] = v;
}
}
}
if (this.editable.add_url){
var jc = new bricks.HttpJson()
var desc = await jc.post(this.editable.add_url, {params:d});
if (desc.widgettype == 'Message'){
var data = desc.options.user_data;
this.append_new_subnode(node, data);
node.is_leaf = false;
if (node != this) node.change_node_type();
}
var w = await bricks.widgetBuild(desc, this);
w.open();
} else {
d[this.idField] = bricks.uuid();
this.append_new_subnode(node, d);
}
}
async create_tree_nodes(node, records){
for (var i=0;i<records.length;i++){
this.build_subnode(node, records[i]);
}
}
append_new_subnode(node, data){
data.is_left = true;
if (!node.user_data){
node.user_data = {};
}
if (!node.user_data.children){
node.user_data.children = [];
}
node.is_leaf = false;
node.children_loaded = true;
node.user_data.children.push(data)
this.build_subnode(node, data);
}
build_subnode(node, data){
var n = new bricks.TreeNode(this, node, data);
node.container.add_widget(n);
}
async delete_node(){
if (! this.selected_node){
w = new bricks.Error({title:'Delete', message:'No selected node found'});
w.open();
return;
}
var w = new bricks.Conform({
cwidth:16,
cheight:9,
title:'Delete node',
message:'Please conform delete selected node'
});
w.bind('conformed', this.delete_node_conformed.bind(this))
}
async delete_node_conformed(event){
var d = {};
d[this.idField] = this.selected_node.get_id();
if (this.editable.delete_url){
var jc = new bricks.HttpJson()
var desc = await jc.post(this.editable.delete_url, {params:d});
if (desc.widgettype == 'Message'){
var pnode = this.selected_node.parent_node;
console.log('parent node=', pnode);
if (pnode && pnode.container){
pnode.container.remove_widget(this.selected_node);
}
this.selected_node = null;
}
var w = await bricks.widgetBuild(desc, this);
w.open();
} else {
var pnode = this.selected_node.parent_node;
if (pnode && pnode.container){
pnode.container.remove_widget(this.selected_node);
}
this.selected_node = null;
}
}
delete_subnode(node, subnode){
var subid = subnode.user_data[this.idField];
var children = [];
for (var i=0;i< node.user_data.children.length;i++){
var c = node.user_data.children[i];
if (c[this.idField] != subid){
children.push(c);
}
}
node.user_data.children = children;
node.container.remove_widget(subnode);
}
async update_node(){
if (! this.selected_node){
w = new bricks.Error({title:'Update', message:'No selected node found'});
w.open();
return;
}
var fields = [];
for (var i=0;i<this.editable.fields.length;i++){
var f = bricks.extend({}, this.editable.fields[i]);
f.value = this.selected_node.user_data[f.name];
fields.push(f);
}
var w = new bricks.ModalForm({
target:this,
"width":"80%",
"height":"80%",
title:'add new node',
fields:fields
});
w.bind('submit', this.update_node_inputed.bind(this))
}
async update_node_inputed(event){
var d = event.params;
var node = this.selected_node;
if (d instanceof FormData){
d.append(this.idField, node.get_id());
} else {
d[this.idField] = node.get_id();
}
if(this.editable.update_url){
var jc = new bricks.HttpJson()
var desc = await jc.post(this.editable.update_url, {params:d});
if (desc.widgettype == 'Message'){
var o = formdata2object(d);
await this.update_node_data(node, o);
}
var w = await bricks.widgetBuild(desc, this);
w.open();
} else {
var o = formdata2object(d);
await this.update_node_data(node, o);
}
}
async update_node_data(node, data){
var data_keys = Object.keys(node.user_data);
Object.keys(data).forEach(k => {
if (data_keys.includes(k)){
console.log(node.user_data[k], ':', k, ':', data[k]);
node.user_data[k] = data[k];
}
});
await node.update_content();
}
async get_children_data(node){
var jc = new bricks.HttpJson();
var p = bricks.extend({}, this.params);
if (node != this){
p.id = node.user_data[this.idField];
}
console.log('params=', p);
var d = await jc.httpcall(this.opts.dataurl,{
method : this.opts.method || 'GET',
params : p
})
if (d.length == 0){
node.is_leaf = true;
} else {
this.user_data = {
children:d
}
this.create_tree_nodes(node, d);
}
}
create_node_children(node, data){
if(!data) return;
for (var i=0; i<data.length; i++){
var n = new bricks.TreeNode(this, node, data[i]);
node.container.add_widget(n);
}
}
node_click_handle(node, event){
if (this.selected_node){
this.node_selected(this.selected_node, false);
}
if (this.selected_node == node){
this.selected_node = null;
} else {
this.selected_node = node;
this.node_selected(node, true);
}
}
node_selected(node, flag){
console.log('node_selected():node=', node, flag);
node.selected(flag);
var d = bricks.extend(node.user_data, {
selected:flag
});
this.dispatch('node_selected', d);
}
async node_checked(node, event){
var cb = event.target.bricks_widget;
var stat = cb.getValue().check;
if (stat){
this.checked_data.push(node.user_data);
} else {
this.checked_data = this.checked_data.filter((d , idnex) => d.id == node.user_data.id);
}
node.user_data[this.checkField] = stat;
if (stat){
console.log('value=', cb.getValue(), 'node=', node);
}
this.dispatch('check_changed', node.user_data);
}
}
bricks.Factory.register('Tree', bricks.Tree);
bricks.Factory.register('EditableTree', bricks.EditableTree);