libcw/html/uiTest/js/ui.js

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var _ws = null;
var _rootId = "0";
var _nextEleId = 0;
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function set_app_title( suffix, className )
{
var ele = document.getElementById('appTitleId');
ele.innerHTML = "UI Test:" + suffix
ele.className = className
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}
function uiOnError( msg, r)
{
console.log("Error:" + msg);
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}
function uiGetParent( r )
{
parent_ele = document.getElementById(r.parent_id);
if( parent_ele == null )
{
uiOnError("Parent not found. parent_id:" + r.parent_id,r);
}
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return parent_ele;
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}
function uiCreateEle( r )
{
var parent_ele;
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if((parent_ele = uiGetParent(r)) != null )
{
ele = document.createElement(r.ele_type)
ele.id = r.ele_id;
ele.className = r.value;
parent_ele.appendChild(ele)
}
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}
function uiRemoveChildren( r )
{
ele = document.getElementById(r.ele_id)
while (ele.firstChild)
{
ele.removeChild(ele.firstChild);
}
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}
function uiDivCreate( r )
{ uiCreateEle(r) }
function uiLabelCreate( r )
{
var parent_ele;
if((parent_ele = uiGetParent(r)) != null )
{
ele = document.createElement("label")
ele.htmlFor = r.ele_id
ele.innerHTML = r.value;
parent_ele.appendChild(ele)
}
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}
function uiSelectCreate( r )
{
uiCreateEle(r)
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}
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function uiSelectClear( r )
{ uiRemoveChildren(r) }
function uiSelectInsert( r )
{
var select_ele;
if((select_ele = uiGetParent(r)) != null )
{
var option = document.createElement('option');
option.id = r.ele_id;
option.innerHTML = r.value;
option.value = r.ele_id;
option.onclick = function() { uiOnSelectClick(this) }
select_ele.appendChild(option)
}
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}
function uiSelectChoose( r )
{
var select_ele;
if((select_ele = uiGetParent(r)) != null )
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{
if( select_ele.hasChildNodes())
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{
var children = select_ele.childNodes
for(var i=0; i<children.length; i++)
{
if( children[i].id == r.ele_id )
{
select_ele.selectedIndex = i
break;
}
}
}
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}
}
function uiOnSelectClick( ele )
{
cmdstr = "mode ui ele_type select op choose parent_id "+ele.parentElement.id+" option_id " + ele.id
websocket.send(cmdstr);
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}
function uiNumberOnKeyUp( e )
{
if( e.keyCode == 13 )
{
//console.log(e)
cmdstr = "mode ui ele_type number op change parent_id "+e.srcElement.parentElement.id+" ele_id " + e.srcElement.id + " value " + e.srcElement.value
websocket.send(cmdstr);
}
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}
function uiNumberCreate( r )
{
var parent_ele;
if((parent_ele = uiGetParent(r)) != null )
{
ele = document.createElement("input")
ele.id = r.ele_id
ele.setAttribute('type','number')
ele.addEventListener('keyup',uiNumberOnKeyUp)
parent_ele.appendChild(ele)
}
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}
function uiNumberSet( r )
{
var ele;
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console.log("ele_id:" + r.ele_id + " parent_id:" + r.parent_id + " value:" + r.value)
if((ele = document.getElementById(r.parent_id)) != null)
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{
switch( r.ele_id )
{
case "0": ele.min = r.value; break;
case "1": ele.max = r.value; break;
case "2": ele.step = r.value; break;
case "3": ele.value = r.value; break;
}
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}
}
function dom_child_by_id( parentEle, child_id )
{
var childrenL = parentEle.children
for(var i=0; i<childrenL.length; i++)
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{
if( childrenL[i].id == child_id )
{
return childrenL[i];
}
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}
return null;
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}
function dom_set_option_by_text( ele_id, text )
{
var ele = dom_id_to_ele(ele_id);
for (var i = 0; i < ele.options.length; i++)
{
if (ele.options[i].text === text)
{
ele.selectedIndex = i;
break;
}
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}
}
function dom_set_number( ele_id, val )
{
dom_id_to_ele(ele_id).value = val
}
//==============================================================================
function dom_id_to_ele( id )
{ return document.getElementById(id); }
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function dom_set_checkbox( ele_id, fl )
{ dom_id_to_ele(ele_id).checked = fl }
function dom_get_checkbox( ele_id )
{ return dom_id_to_ele(ele_id).checked }
function dom_create_ele( ele_type )
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{
ele = document.createElement(ele_type);
return ele
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}
//==============================================================================
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function ui_error( msg )
{
console.log("Error: " + msg )
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}
function ui_send_value( ele, typeId, value )
{
ws_send("value " + ele.id + " " + typeId + " : " + value)
}
function ui_send_bool_value( ele, value ) { ui_send_value(ele,'b',value); }
function ui_send_int_value( ele, value ) { ui_send_value(ele,'i',value); }
function ui_send_string_value( ele, value ) { ui_send_value(ele,'s',value); }
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function ui_print_children( eleId )
{
var childrenL = dom_id_to_ele(eleId).children
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for(var i=0; i<childrenL.length; i++)
{
console.log( childrenL[i] )
}
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}
function ui_get_parent( parentId )
{
if( parentId==null || parentId.trim().length == 0 )
parentId = _rootId
parent_ele = dom_id_to_ele(parentId);
if( parent_ele == null )
{
ui_error("Parent element id: " + parentId + " not found.")
}
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return parent_ele;
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}
function ui_create_ele( parent_ele, ele_type, d )
{
// create the ctl object
var ele = dom_create_ele(ele_type);
if( ele == null )
ui_error(ele_type +" element create failed.");
else
{
ele.id = d.uuId;
if(d.hasOwnProperty('appId'))
ele.appId = d.appId;
else
ele.appId = null;
console.log("Created: " + ele_type + " parent:" + d.parentUuId + " id:" + ele.id + " appId:" + ele.appId)
parent_ele.appendChild(ele);
}
return ele
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}
function ui_create_ctl( parent_ele, ele_type, label, d )
{
// create an enclosing div
var div_ele = dom_create_ele("div");
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div_ele.className = d.clas;
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parent_ele.appendChild( div_ele );
var label_ele = div_ele
// if label is not null then create an enclosing 'label' element
if( label != null )
{
label_ele = dom_create_ele("label");
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label_ele.innerHTML = label;
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div_ele.appendChild(label_ele)
}
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return ui_create_ele( label_ele, ele_type, d );
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}
function ui_create_div( parent_ele, d )
{
var div_ele = ui_create_ele( parent_ele, "div", d );
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if( div_ele != null )
{
div_ele.className = d.clas
var p_ele = dom_create_ele("p")
if( d.title != null && d.title.length > 0 )
p_ele.innerHTML = d.title
div_ele.appendChild( p_ele )
}
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return div_ele;
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}
function ui_create_title( parent_ele, d )
{
return ui_create_ele( parent_ele, "label", d );
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}
function ui_create_button( parent_ele, d )
{
var ele = ui_create_ctl( parent_ele, "button", null, d );
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if( ele != null )
{
ele.innerHTML = d.title;
ele.onclick = function() { ui_send_int_value(this,1); }
}
return ele;
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}
function ui_create_check( parent_ele, d )
{
var ele = ui_create_ctl( parent_ele, "input", d.title, d )
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if( ele != null )
{
ele.type = "checkbox";
dom_set_checkbox(ele.id, d.value );
ele.onclick = function() { ui_send_bool_value(this,dom_get_checkbox(this.id)); }
}
return ele;
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}
function ui_on_select( ele )
{
ui_send_int_value(ele,ele.options[ ele.selectedIndex ].appId);
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}
function ui_create_select( parent_ele, d )
{
var sel_ele = ui_create_ctl( parent_ele, "select", d.title, d );
sel_ele.onchange = function() { ui_on_select(this) }
return sel_ele;
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}
function ui_create_option( parent_ele, d )
{
var opt_ele = ui_create_ele( parent_ele, "option", d );
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if( opt_ele != null )
{
opt_ele.className = d.clas;
opt_ele.innerHTML = d.title;
}
return opt_ele;
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}
function ui_create_string( parent_ele, d )
{
var ele = ui_create_ctl( parent_ele, "input", d.title, d );
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if( ele != null )
{
ele.value = d.value;
ele.addEventListener('keyup', function(e) { if(e.keyCode===13){ ui_send_string_value(this, this.value); }} );
}
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}
function ui_number_keyup( e )
{
if( e.keyCode===13 )
{
var ele = dom_id_to_ele(e.target.id)
if( ele != null )
{
console.log("min:"+ele.minValue+" max:"+ele.maxValue)
var val = 0;
if( ele.decpl == 0 )
val = Number.parseInt(ele.value)
else
val = Number.parseFloat(ele.value)
if( !(ele.minValue<=val && val<=ele.maxValue))
ele.style.borderColor = "red"
else
{
ele.style.borderColor = ""
ui_send_int_value(ele,ele.value);
}
}
}
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}
function ui_create_number( parent_ele, d )
{
var ele = ui_create_ctl( parent_ele, "input", d.title, d );
if( ele != null )
{
ele.value = d.value;
ele.maxValue = d.max;
ele.minValue = d.min;
ele.stepValue = d.step;
ele.decpl = d.decpl;
ele.addEventListener('keyup', ui_number_keyup );
}
return ele;
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}
function ui_set_progress( ele_id, value )
{
var ele = dom_id_to_ele(ele_id);
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ele.value = Math.round( ele.max * (value - ele.minValue) / (ele.maxValue - ele.minValue));
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}
function ui_create_progress( parent_ele, d )
{
var ele = ui_create_ctl( parent_ele, "progress", d.title, d );
if( ele != null )
{
ele.max = 100;
ele.maxValue = d.max;
ele.minValue = d.min;
ui_set_progress( ele.id, d.value );
}
return ele
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}
function ui_create( d )
{
if( typeof(d.parentUuId) == "number")
d.parentUuId = d.parentUuId.toString()
if( typeof(d.uuId) == "number" )
d.uuId = d.uuId.toString()
var parent_ele = ui_get_parent(d.parentUuId);
var ele = null;
if( parent_ele != null )
{
switch( d.type )
{
case "div":
ele = ui_create_div( parent_ele, d )
break;
case "title":
ele = ui_create_title( parent_ele, d )
break;
case "button":
ele = ui_create_button( parent_ele, d )
break;
case "check":
ele = ui_create_check( parent_ele, d )
break;
case "select":
ele = ui_create_select( parent_ele, d );
break;
case "option":
ele = ui_create_option( parent_ele, d );
break;
case "string":
ele = ui_create_string( parent_ele, d );
break;
case "number":
ele = ui_create_number( parent_ele, d );
break;
case "progress":
ele = ui_create_progress( parent_ele, d );
break;
default:
ui_error("Unknown UI element type: " + d.type )
}
}
}
function ws_send( s )
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{
//console.log(s)
_ws.send(s+"\0")
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}
function ws_on_msg( jsonMsg )
{
//console.log(jsonMsg)
d = JSON.parse(jsonMsg.data);
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switch( d.op )
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{
case 'create':
ui_create( d )
break;
default:
ui_error("Unknown UI operation. " + d.op )
}
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}
function ws_on_open()
{
set_app_title( "Connected", "title_connected" );
_ws.send("init")
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}
function ws_on_close()
{
set_app_title( "Disconnected", "title_disconnected" );
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}
function ws_form_url(urlSuffix)
{
var pcol;
var u = document.URL;
pcol = "ws://";
if (u.substring(0, 4) === "http")
u = u.substr(7);
u = u.split("/");
return pcol + u[0] + "/" + urlSuffix;
}
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function main()
{
rootEle = dom_id_to_ele(_rootId);
rootEle.uuId = 0;
rootEle.id = _nextEleId;
_nextEleId += 1;
//console.log(ws_form_url(""))
_ws = new WebSocket(ws_form_url(""),"ui_protocol")
_ws.onmessage = ws_on_msg
_ws.onopen = ws_on_open
_ws.onclose = ws_on_close;
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}