dreemgl
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DreemGL is an open-source multi-screen prototyping framework for mediated environments, with a visual editor and shader styling for webGL and DALi runtimes written in JavaScript. As a toolkit for gpu-accelerated multiscreen development, DreemGL includes
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JavaScript
/* DreemGL is a collaboration between Teeming Society & Samsung Electronics, sponsored by Samsung and others.
Copyright 2015-2016 Teeming Society. Licensed under the Apache License, Version 2.0 (the "License"); You may not use this file except in compliance with the License.
You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and limitations under the License.*/
define.class(function($ui$, view, label){
// Splitcontainer adds dragbars between nodes to make all the nodes resizable.
// should the splitter bars be introduced horizontally or vertically?
this.attributes = {
// wether the splitcontainer is vertical or not
direction: Config({type: Enum("horizontal", "vertical"), value:"vertical"}),
// set the width (or height) of the splitter bar
splitsize: Config({type: float, value: 8}),
// the minimum size of a child controlled by the splitter
minimalchildsize: Config({type: float, value: 20}),
// the color of the splitter bar
splittercolor: Config({type: vec4, value: vec4("#484848")}),
// color of splitter bar on hover
hovercolor: Config({type: vec4, value: vec4("#707070")}),
// color of the splitter bar when dragging it
activecolor: Config({type: vec4, value: vec4("#7070a0")})
}
this.bgcolor = NaN
this.flex = 1.0
this.flexdirection = "row";
this.position = "relative"
this.borderwidth = 0
this.bordercolor = vec4("#303060")
this.direction = function(){
this.flexdirection = this.direction=="horizontal"?"column":"row" ;
}
// the visual class that defines the draggable bar between the resizable children
define.class(this, 'splitter', function(view){
this.attributes = {
firstnode: Config({type: int, value: 0})
}
this.bgcolor = vec4("#737373");
this.alignitem = "stretch";
this.borderradius = 3;
this.attributes = {
vertical: Config({type: Boolean, value: false}),
splitsize: Config({type: float, value: 6}),
splittercolor: Config({type: vec4, value: vec4("#404050")}),
hovercolor: Config({type: vec4, value: vec4("#f050a0")}),
bgcolor: Config({duration:0.1, motion:"linear"}),
activecolor: Config({type: vec4, value: vec4("#7070a0")})
}
this.flex = 0
this.neutralcolor = this.bgcolor;
this.pointerover = function(){
this.bgcolor = this.hovercolor;
}
this.pointerout = function(){
this.bgcolor = this.neutralcolor;
}
this.pointerstart = function(){
this._flexstart = {
left: this.parent.children[this.firstnode].flex,
right: this.parent.children[this.firstnode+2].flex,
leftwidth: this.parent.children[this.firstnode].layout.width,
leftheight: this.parent.children[this.firstnode].layout.height,
rightwidth: this.parent.children[this.firstnode+2].layout.width,
rightheight: this.parent.children[this.firstnode+2].layout.height
}
}
this.pointermove = function(event){
var leftnode = this.parent.children[this.firstnode]
var rightnode = this.parent.children[this.firstnode + 2]
var f1 = this._flexstart.left
var f2 = this._flexstart.right
var totf = f1 + f2
if (this.vertical){
var h1 = this._flexstart.leftheight
var h2 = this._flexstart.rightheight
var hadd = h1 + h2
h1 += event.delta[1]
h2 -= event.delta[1]
if (h1 < this.parent.minimalchildsize || h2 < this.parent.minimalchildsize) return
var f1n = h1 / (hadd)
var f2n = h2 / (hadd)
leftnode.flex = f1n * totf
rightnode.flex = f2n* totf
} else {
var w1 = this._flexstart.leftwidth
var w2 = this._flexstart.rightwidth
var wadd = w1 + w2
w1 += event.delta[0]
w2 -= event.delta[0]
if (w1 < this.parent.minimalchildsize || w2 < this.parent.minimalchildsize) return
var f1n = w1 / (wadd)
var f2n = w2 / (wadd)
leftnode.flex = f1n * totf
rightnode.flex = f2n * totf
}
this.parent.redraw()
// lets trigger layout dirty...
/*
leftnode.setDirty(true);
leftnode.reLayout();
rightnode.reLayout();
rightnode.setDirty(true);
*/
}
/*
this.atDraw = function(){
if (this.hovered > 0){
if (this.pressed > 0){
this.bg_shader.color1 = this.activecolor;
}else{
this.bg_shader.color1 = this.hovercolor;
}
}else{
this.bg_shader.color1 = this.splittercolor;
}
}
*/
this.hardrect = {
acolor: function(){
if (view.vertical )
{
var yy = mesh.y*view.layout.height;
var ymix = yy<1.0? 1.: ((yy>view.layout.height-1.0)?1.:0.0)
return mix(view.bgcolor, "black", ymix);
}
var xx = mesh.x*view.layout.width;
var xmix = xx<1.0? 1.: ((xx>view.layout.width-1.0)?1.:0.0)
return mix(view.bgcolor, "black",xmix);
}
}
this.vertical = function(){
if (this.vertical){
this.height = this.splitsize
this.width = NaN
}
else{
this.width = this.splitsize
this.height = NaN
}
}
})
this.render = function(){
if (this.constructor_children.length > 1){
var children = []
children.push(view({bgcolor:NaN,clipping: true, flex: this.constructor_children[0].flex},this.constructor_children[0]));
for (var i = 1; i < this.constructor_children.length; i++){
children.push( this.splitter({
vertical: this.direction=="horizontal",
cursor: this.direction=="horizontal"?'ns-resize':'ew-resize',
firstnode: (i-1)*2,
splitsize: this.splitsize,
splittercolor: this.splittercolor,
hovercolor: this.hovercolor,
activecolor: this.activecolor
}))
children.push(view({
bgcolor:NaN,
clipping: true,
flex: this.constructor_children[i].flex
},this.constructor_children[i]))
}
return children
}
else {
return this.constructor_children;
}
}
var splitcontainer = this.constructor
// Basic usage of the splitcontainer
this.constructor.examples = {
Usage:function(){ return [
splitcontainer({alignself:'stretch', vertical: false, margin: 4, flex: 1.0, borderwidth:2, bordercolor: "darkblue", padding: vec4(2) },
label({flex: 0.2, fontsize: 26, text:"A", bgcolor: "transparent" ,multiline: true, align:"center" , fgcolor:"black", margin: 2})
,label({flex: 0.2, fontsize: 26, text:"B", bgcolor: "transparent" ,multiline: true, align:"center" ,fgcolor:"black", margin: 2})
,label({flex: 0.2, fontsize: 26, text:"C", bgcolor: "transparent" ,multiline: true, align:"center" , fgcolor:"black",margin: 2})
,label({flex: 0.2, fontsize: 26, text:"D", bgcolor: "transparent" ,multiline: true, align:"center" , fgcolor:"black",margin: 2})
)]}
}
})