116 lines
2.5 KiB
JavaScript
116 lines
2.5 KiB
JavaScript
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Htk.AssitantBar = new Class
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({
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Extends: Htk.Widget
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,Tag: 'htk-assistant-bar'
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,Properties:
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{
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assistant:
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{
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type: Htk.Assistant
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,set: function (x)
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{
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this.link ({_assistant: x}, {'step-change': this.onStepChange});
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var stepCount = x.stepCount;
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var steps = this._steps;
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Vn.Node.removeChilds (steps);
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steps.style.width = (stepCount * 1.7) + 'em';
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for (var i = 0; i < stepCount; i++)
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{
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var img = document.createElement ('img');
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img.src = 'image/step.svg';
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img.addEventListener ('click', this.setStep.bind (this, i));
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steps.appendChild (img);
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}
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this.onStepChange ();
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}
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,get: function ()
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{
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return this._assistant;
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}
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}
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}
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,_assistant: null
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,_stepIndex: -1
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,initialize: function (props)
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{
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var bar = this.createElement ('div');
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bar.className = 'htk-assistant-bar';
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var previousButton = document.createElement ('img');
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previousButton.src = 'image/go-previous.svg';
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previousButton.className = 'previous';
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previousButton.title = _('Previous');
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previousButton.addEventListener ('click', this.movePrevious.bind (this));
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bar.appendChild (previousButton);
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var steps = document.createElement ('div');
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bar.appendChild (steps);
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var nextButton = document.createElement ('img');
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nextButton.src = 'image/go-next.svg';
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nextButton.className = 'next';
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nextButton.title = _('Next');
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nextButton.addEventListener ('click', this.moveNext.bind (this));
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bar.appendChild (nextButton);
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this._steps = steps;
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this._previousButton = previousButton;
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this._nextButton = nextButton;
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this.parent (props);
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}
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,movePrevious: function ()
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{
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if (this._assistant)
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this._assistant.movePrevious ();
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}
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,moveNext: function ()
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{
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if (this._assistant)
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this._assistant.moveNext ();
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}
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,setStep: function (stepIndex)
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{
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if (this._assistant)
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this._assistant.setStep (stepIndex);
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}
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,onStepChange: function ()
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{
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if (this._assistant)
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{
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var stepIndex = this._assistant.step;
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var stepCount = this._assistant.stepCount;
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}
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else
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{
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var stepIndex = -1;
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var stepCount = 0;
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}
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if (this._stepIndex != -1)
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this._steps.childNodes[this._stepIndex].src = 'image/step.svg';
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this._stepIndex = stepIndex;
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if (stepIndex != -1)
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this._steps.childNodes[stepIndex].src = 'image/step-cur.svg';
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var visibility = stepIndex <= 0 ? 'hidden' : 'visible';
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this._previousButton.style.visibility = visibility;
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var visibility = stepIndex >= stepCount - 1 ? 'hidden' : 'visible';
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this._nextButton.style.visibility = visibility;
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}
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});
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