110 lines
1.6 KiB
JavaScript
110 lines
1.6 KiB
JavaScript
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Htk.Assistant = new Class
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({
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Extends: Vn.Object
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,Tag: 'htk-assistant'
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,Properties:
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{
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stepCount:
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{
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type: Number
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,set: function (x)
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{
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this._stepCount = x;
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if (x > 0)
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this.setStep (0);
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else
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this.setStep (-1);
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}
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,get: function ()
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{
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return this._stepCount;
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}
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},
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step:
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{
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type: Number
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,set: function (x)
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{
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this.setStep (x);
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}
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,get: function ()
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{
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return this._stepIndex;
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}
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},
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stepFunc:
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{
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type: Function
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,set: function (x)
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{
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this._stepFunc = x;
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this.setStep (this._stepIndex);
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}
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,get: function ()
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{
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return this._stepFunc;
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}
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},
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node:
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{
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type: Object
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,set: function (x)
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{
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x.className = 'htk-assistant';
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}
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},
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}
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,_stepNode: null
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,_stepIndex: -1
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,_stepCount: 0
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,_stepFunc: null
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,setStep: function (stepIndex)
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{
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if (!(stepIndex >= -1 && stepIndex < this.stepCount))
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return;
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if (this._stepFunc && stepIndex != -1)
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{
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var stepNode = this._stepFunc (stepIndex);
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if (stepNode)
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{
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if (this._stepNode)
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this._stepNode.style.display = 'none';
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this._stepNode = stepNode;
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stepNode.style.display = 'block';
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this._setStepIndex (stepIndex);
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}
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else if (this._stepIndex < stepIndex)
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this.setStep (stepIndex + 1);
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else
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this.setStep (stepIndex - 1);
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}
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else
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this._setStepIndex (stepIndex);
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}
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,_setStepIndex: function (stepIndex)
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{
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this._stepIndex = stepIndex;
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this.signalEmit ('step-change', stepIndex);
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}
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,movePrevious: function ()
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{
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this.setStep (this._stepIndex - 1);
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}
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,moveNext: function ()
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{
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this.setStep (this._stepIndex + 1);
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}
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});
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