html/ui/ui.css/js : Initial commit.

This commit is contained in:
kevin.larke 2020-05-18 12:23:41 -04:00
parent 4982c61d60
commit 71a2bf42c9
2 changed files with 947 additions and 0 deletions

80
html/ui/ui.css Normal file
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body {
background-color: LightCyan;
}
.title_disconnected {
color: red;
}
.title_connected {
color: green;
}
input, label, button, select {
font-family: sans-serif;
font-size: 10px;
height: 20px;
}
div {
/*border: 1px solid black; */
background-color: LightSteelBlue;
}
div p {
font-family: sans-serif;
font-size: 12px;
margin-top: 2px;
margin-bottom: 2px;
background-color: LightSteelBlue;
}
label {
/*border: 1px solid red;*/
width: 50px;
padding-left: 10px;
margin-top: 3px;
}
.uiCtlDiv {
display: flex;
flex-direction: row;
align-items: center;
background-color: LightBlue;
}
.uiCtlDiv input {
background-color: PowderBlue;
}
.uiNumberDiv input {
width: 50px;
}
.uiNumbDispDiv {
width: 50px;
border: 1px solid #afafaf;
}
.uiPanel {
background-color: LightBlue;
}
.uiRow {
display: flex;
flex-direction: row;
align-items: center;
background-color: LightBlue;
}
.uiCol {
display: flex;
flex-direction: column;
align-items: center;
background-color: LightBlue;
}

867
html/ui/ui.js Normal file
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var _ws = null;
var _rootId = "0";
var _nextEleId = 0;
function set_app_title( suffix, className )
{
var ele = document.getElementById('connectTitleId');
ele.innerHTML = suffix
ele.className = className
}
function uiOnError( msg, r)
{
console.log("Error:" + msg);
}
function uiGetParent( r )
{
parent_ele = document.getElementById(r.parent_id);
if( parent_ele == null )
{
uiOnError("Parent not found. parent_id:" + r.parent_id,r);
}
return parent_ele;
}
function uiCreateEle( r )
{
var parent_ele;
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)
}
}
function uiRemoveChildren( r )
{
ele = document.getElementById(r.ele_id)
while (ele.firstChild)
{
ele.removeChild(ele.firstChild);
}
}
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)
}
}
function uiSelectCreate( r )
{
uiCreateEle(r)
}
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)
}
}
function uiSelectChoose( r )
{
var select_ele;
if((select_ele = uiGetParent(r)) != null )
{
if( select_ele.hasChildNodes())
{
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;
}
}
}
}
}
function uiOnSelectClick( ele )
{
cmdstr = "mode ui ele_type select op choose parent_id "+ele.parentElement.id+" option_id " + ele.id
websocket.send(cmdstr);
}
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);
}
}
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)
}
}
function uiNumberSet( r )
{
var ele;
//console.log("ele_id:" + r.ele_id + " parent_id:" + r.parent_id + " value:" + r.value)
if((ele = document.getElementById(r.parent_id)) != null)
{
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;
}
}
}
function dom_child_by_id( parentEle, child_id )
{
var childrenL = parentEle.children
for(var i=0; i<childrenL.length; i++)
{
if( childrenL[i].id == child_id )
{
return childrenL[i];
}
}
return null;
}
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;
}
}
}
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); }
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 )
{
ele = document.createElement(ele_type);
return ele
}
//==============================================================================
function ui_error( msg )
{
console.log("Error: " + msg )
}
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_float_value( ele, value ) { ui_send_value(ele,'f',value); }
function ui_send_string_value( ele, value ) { ui_send_value(ele,'s',value); }
function ui_send_echo( ele )
{
ws_send("echo " + ele.id )
}
function ui_print_children( eleId )
{
var childrenL = dom_id_to_ele(eleId).children
for(var i=0; i<childrenL.length; i++)
{
console.log( childrenL[i] )
}
}
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.")
}
return parent_ele;
}
function ui_create_ele( parent_ele, ele_type, d, dfltClassName )
{
// 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('className') )
ele.className = d.className;
else
ele.className = dfltClassName;
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
}
function ui_create_ctl( parent_ele, ele_type, label, d, dfltEleClassName )
{
// create an enclosing div
var div_ele = dom_create_ele("div");
div_ele.className = "uiCtlDiv " + dfltEleClassName + "Div"
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 = label.trim();
if( label.length > 0)
{
label_ele = dom_create_ele("label");
label_ele.innerHTML = label;
div_ele.appendChild(label_ele)
}
}
return ui_create_ele( div_ele, ele_type, d, dfltEleClassName );
}
function ui_create_div( parent_ele, d )
{
var div_ele = ui_create_ele( parent_ele, "div", d, "uiDiv" );
if( div_ele != null )
{
if( d.title != null )
{
var title = d.title.trim()
if( title.length > 0 )
{
var p_ele = dom_create_ele("p")
p_ele.innerHTML = title
div_ele.appendChild( p_ele )
}
}
}
return div_ele;
}
function ui_create_panel_div( parent_ele, d )
{
d.type = "div"
var div_ele = ui_create_div( parent_ele, d );
if( !d.hasOwnProperty('className') )
div_ele.className = "uiPanel"
return div_ele
}
function ui_create_row_div( parent_ele, d )
{
d.type = "div"
var div_ele = ui_create_div( parent_ele, d );
if( !d.hasOwnProperty('className') )
div_ele.className = "uiRow"
return div_ele
}
function ui_create_col_div( parent_ele, d )
{
d.type = "div"
var div_ele = ui_create_div( parent_ele, d );
if( !d.hasOwnProperty('className') )
div_ele.className = "uiCol"
return div_ele
}
function ui_create_title( parent_ele, d )
{
var ele = ui_create_ele( parent_ele, "label", d, "uiTitle" );
if( ele != null )
{
ele.innerHTML = d.title;
}
return ele;
}
function ui_create_button( parent_ele, d )
{
var ele = ui_create_ctl( parent_ele, "button", null, d, "uiButton" );
if( ele != null )
{
ele.innerHTML = d.title;
ele.onclick = function() { ui_send_int_value(this,1); }
}
return ele;
}
function ui_create_check( parent_ele, d )
{
var ele = ui_create_ctl( parent_ele, "input", d.title, d, "uiCheck" )
if( ele != null )
{
ele.type = "checkbox";
ele.onclick = function() { ui_send_bool_value(this,dom_get_checkbox(this.id)); }
if( !d.hasOwnProperty('value') )
ui_send_echo(ele)
else
{
dom_set_checkbox(ele.id, d.value );
ui_send_bool_value(ele,dom_get_checkbox(ele.id))
}
}
return ele;
}
//
// Note: The value of a 'select' widget is always set by the 'appId'
// of the selected 'option'. Likewise the 'appId' of the selected
// option is returned as the value of the select widget.
//
function ui_on_select( ele )
{
ui_send_int_value(ele,ele.options[ ele.selectedIndex ].appId);
}
function ui_select_set_from_option_app_id( sel_ele, option_appId )
{
var i;
for(i=0; i<sel_ele.options.length; ++i)
if( sel_ele.options[i].appId == option_appId )
{
sel_ele.selectedIndex = i;
return;
}
ui_error("Select option index not found.");
}
function ui_create_select( parent_ele, d )
{
var ele = ui_create_ctl( parent_ele, "select", d.title, d, "uiSelect" );
ele.onchange = function() { ui_on_select(this) }
if( !d.hasOwnProperty('value') )
{
ui_send_echo(ele)
}
else
{
// Note that d.value is the appId of the default selected option
ele.defaultOptionAppId = d.value;
ui_send_int_value(ele,ele.defaultOptionAppId)
}
return ele;
}
function ui_create_option( parent_ele, d )
{
var opt_ele = ui_create_ele( parent_ele, "option", d, "uiOption" );
if( opt_ele != null )
{
if(d.hasOwnProperty('className'))
opt_ele.className = d.className;
opt_ele.innerHTML = d.title;
// d.value, if it exists, is a boolean indicating that this is the default option
var fl0 = d.hasOwnProperty('value') && d.value != 0;
// The parent 'select' element may also have been given the app id of the default option
// (and this option may be it)
var fl1 = parent_ele.hasOwnProperty('defaultOptionAppId') && parent_ele.defaultOptionAppId == ele.appId;
if(fl0 || fl1 )
{
parent_ele.selectedIndex = parent_ele.options.length-1;
}
}
return opt_ele;
}
function ui_create_string( parent_ele, d )
{
var ele = ui_create_ctl( parent_ele, "input", d.title, d, "uiString" );
if( ele != null )
{
ele.addEventListener('keyup', function(e) { if(e.keyCode===13){ ui_send_string_value(this, this.value); }} );
if( !d.hasOwnProperty('value') )
ui_send_echo(ele);
else
{
ele.value = d.value;
ui_send_string_value(ele,ele.value)
}
}
return ele;
}
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 = ""
if( ele.decpl == 0 )
ui_send_int_value(ele,ele.value);
else
ui_send_float_value(ele,ele.value);
}
}
}
}
function ui_create_number( parent_ele, d )
{
var ele = ui_create_ctl( parent_ele, "input", d.title, d, "uiNumber" );
if( ele != null )
{
ele.maxValue = d.max;
ele.minValue = d.min;
ele.stepValue = d.step;
ele.decpl = d.decpl;
ele.addEventListener('keyup', ui_number_keyup );
if( d.hasOwnProperty('value') && d.min <= d.value && d.value <= d.max )
{
ele.value = d.value;
if( d.decpl == 0 )
ui_send_int_value( ele, ele.value )
else
ui_send_float_value( ele, ele.value )
}
else
{
ui_send_echo(ele);
}
}
return ele;
}
function ui_set_number_display( ele_id, value )
{
var ele = dom_id_to_ele(ele_id);
if( typeof(value)=="number")
value = value.toString();
if( ele.decpl == 0 )
ele.innerHTML = parseInt(value,10);
else
ele.innerHTML = parseFloat(value);
}
function ui_create_number_display( parent_ele, d )
{
var ele = ui_create_ctl( parent_ele, "label", d.title, d, "uiNumbDisp" );
if( ele != null )
{
ele.decpl = d.decpl;
if( d.hasOwnProperty('value') )
{
ui_set_number_display(ele.id, d.value);
}
else
{
ui_send_echo(ele);
}
}
return ele;
}
function ui_set_progress( ele_id, value )
{
var ele = dom_id_to_ele(ele_id);
ele.value = Math.round( ele.max * (value - ele.minValue) / (ele.maxValue - ele.minValue));
}
function ui_create_progress( parent_ele, d )
{
var ele = ui_create_ctl( parent_ele, "progress", d.title, d, "uiProgress" );
if( ele != null )
{
ele.max = 100;
ele.maxValue = d.max;
ele.minValue = d.min;
if( !d.hasOwnProperty('value') )
ui_send_echo(ele);
else
{
ui_set_progress( ele.id, d.value );
ui_send_int_value( ele, ele.value );
}
}
return ele
}
function ui_set_value( d )
{
//console.log(d)
var eleId = d.uuId.toString()
var ele = dom_id_to_ele(eleId)
if( ele == null )
console.log("ele '"+eleId+"' not found");
else
{
if( !ele.hasOwnProperty("uiEleType") )
{
console.log("No type");
}
}
if( ele != null && ele.hasOwnProperty("uiEleType"))
{
//console.log("found: "+ele.uiEleType)
switch( ele.uiEleType )
{
case "div":
break;
case "title":
ele.innerHTML = d.value
break;
case "button":
break;
case "check":
dom_set_checkbox(ele.id,d.value)
break;
case "select":
ui_select_set_from_option_app_id(ele,d.value)
break;
case "option":
break;
case "string":
ele.value = d.value
break;
case "number":
ele.value = d.value
break;
case "numb_disp":
ui_set_number_display(ele.id,d.value);
break;
case "progress":
ele.value = d.value
break;
default:
ui_error("Unknown UI element type: " + d.type )
}
}
}
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 "panel":
ele = ui_create_panel_div( parent_ele, d )
break;
case "row":
ele = ui_create_row_div( parent_ele, d )
break;
case "col":
ele = ui_create_col_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 "numb_disp":
ele = ui_create_number_display( parent_ele, d );
break;
case "progress":
ele = ui_create_progress( parent_ele, d );
break;
default:
ui_error("Unknown UI element type: " + d.type )
}
if( ele != null )
{
ele.uiEleType = d.type;
}
}
}
function ws_send( s )
{
//console.log(s)
_ws.send(s+"\0")
}
function ws_on_msg( jsonMsg )
{
//console.log(jsonMsg)
d = JSON.parse(jsonMsg.data);
switch( d.op )
{
case 'create':
ui_create( d )
break;
case 'value':
ui_set_value( d )
break;
default:
ui_error("Unknown UI operation. " + d.op )
}
}
function ws_on_open()
{
set_app_title( "Connected", "title_connected" );
_ws.send("init")
}
function ws_on_close()
{
set_app_title( "Disconnected", "title_disconnected" );
}
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;
}
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;
}