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(function(dojo) {
dojo.declare("NextendElementGradient", NextendElement, {
constructor: function(args) {
this.supress = true;
this.supressChange = false;
this.value = '1-ffffff-ffffff';
dojo.mixin(this, args);
this.hidden = dojo.byId(this.hidden);
this.onoff = dojo.byId(this.onoff);
dojo.connect(this.onoff, 'change', this, 'changeGradientByInput');
this.start = dojo.byId(this.start);
dojo.connect(this.start, 'change', this, 'changeGradientByInput');
this.end = dojo.byId(this.end);
dojo.connect(this.end, 'change', this, 'changeGradientByInput');
this.bg = dojo.query('.nextend-grandient-bg', this.hidden.parentNode)[0];
this.reset();
this.changeGradient();
dojo.connect(this.hidden, 'change', this, 'reset');
},
reset: function() {
if (this.value != this.hidden.value) {
this.value = this.hidden.value;
if(this.supress){
this.supressChange = true;
var split = this.value.split('-');
if(this.onoff.value != split[0]){
this.onoff.value = split[0];
this.fireEvent(this.onoff, 'change');
}
if(this.start.value != split[1]){
this.start.value = split[1];
this.fireEvent(this.start, 'change');
}
if(this.end.value != split[2]){
this.end.value = split[2];
this.fireEvent(this.end, 'change');
}
this.supressChange = false;
}
this.changeGradient();
}
this.supress = true;
},
changeGradientByInput: function(){
if(this.supressChange) return;
this.supress = false;
var text = this.getCurrentElementValue();
if (this.hidden.value != text) {
this.hidden.value = text;
this.fireEvent(this.hidden, 'change');
}
},
changeGradient: function() {
if (this.onoff.value == '1') {
dojo.addClass(this.hidden.parentNode, 'nextend-enabled');
} else {
dojo.removeClass(this.hidden.parentNode, 'nextend-enabled');
}
if (dojo.isIE < 10) {
dojo.style(this.bg, 'filter', 'progid:DXImageTransform.Microsoft.Gradient(GradientType=1,StartColorStr=#' + this.start.value + ',EndColorStr=#' + this.end.value + ')');
} else if (dojo.isIE >= 10) {
dojo.style(this.bg, 'background', 'linear-gradient( to right, #' + this.start.value + ' 0%, #' + this.end.value + ' 100%)');
} else if (dojo.isFF) {
dojo.style(this.bg, 'background', '-moz-linear-gradient( left, #' + this.start.value + ', #' + this.end.value + ')');
} else if (dojo.isMozilla) {
dojo.style(this.bg, 'background', '-moz-linear-gradient( left, #' + this.start.value + ', #' + this.end.value + ')');
} else if (dojo.isOpera) {
dojo.style(this.bg, 'background-image', '-o-linear-gradient(right, #' + this.start.value + ', #' + this.end.value + ')');
} else {
dojo.style(this.bg, 'background', '-webkit-gradient( linear, left top, right top, from(#' + this.start.value + '), to(#' + this.end.value + '))');
}
},
getCurrentElementValue: function(){
var text = '';
text += this.onoff.value + '-';
text += this.start.value + '-';
text += this.end.value;
return text;
}
});
})(ndojo);