142 lines
3.2 KiB
JavaScript
142 lines
3.2 KiB
JavaScript
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var Widget = require('./widget');
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var Assistant = require('./assistant');
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module.exports = new Class({
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Extends: Widget,
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Tag: 'htk-assistant-bar',
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Properties: {
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assistant: {
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type: Assistant,
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set: function(x) {
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this.link({_assistant: x}, {
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'step-change': this.onStepChange,
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'steps-change': this.onStepsChange
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});
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this.onStepsChange();
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},
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get: function() {
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return this._assistant;
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}
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},
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disabled: {
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type: Boolean,
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set: function(x) {
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this._disabled = x;
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this._previousButton.disabled = x;
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this._nextButton.disabled = x;
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this._endButton.disabled = x;
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},
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get: function() {
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return this._disabled;
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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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_disabled: false,
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render: function() {
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var bar = this.createRoot('div');
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bar.className = 'htk-assistant-bar';
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var previousButton = new Htk.Button({
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icon: 'arrow_back_ios',
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tip: 'Previous'
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}).node;
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previousButton.classList.add('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 = this.createElement('div');
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steps.className = 'steps';
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bar.appendChild(steps);
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var nextButton = new Htk.Button({
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icon: 'arrow_forward_ios',
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tip: 'Next'
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}).node;
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nextButton.classList.add('next');
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nextButton.addEventListener('click', this.moveNext.bind(this));
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bar.appendChild(nextButton);
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var endButton = new Htk.Button({
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icon: 'done',
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tip: 'Confirm'
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}).node;
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endButton.classList.add('end');
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endButton.addEventListener('click', this.end.bind(this));
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bar.appendChild(endButton);
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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._endButton = endButton;
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},
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movePrevious: function() {
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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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if (this._assistant)
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this._assistant.moveNext();
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},
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end: function() {
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if (this._assistant)
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this._assistant.end();
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},
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setStep: function(stepIndex) {
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if (this._assistant)
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this._assistant.setStep(stepIndex);
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},
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onStepsChange: function() {
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var stepCount = this._assistant.stepCount;
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var steps = this._steps;
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Vn.Node.removeChilds(steps);
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for (var i = 0; i < stepCount; i++) {
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var img = this.createElement('div');
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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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onStepChange: function() {
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var childs = this._steps.childNodes;
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var stepCount = childs ? childs.length : 0;
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var stepIndex = this._assistant ? this._assistant.step : -1;
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if (this._stepIndex != -1) {
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childs[this._stepIndex].src = 'image/step.svg';
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childs[this._stepIndex].className = '';
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}
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if (stepIndex >= stepCount)
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return;
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this._stepIndex = stepIndex;
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if (stepIndex != -1) {
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childs[stepIndex].src = 'image/step-cur.svg';
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childs[this._stepIndex].className = 'selected';
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}
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var visibility = stepIndex > 0 ? 'visible' : 'hidden';
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this._previousButton.style.visibility = visibility;
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var isEnd = stepIndex >= stepCount - 1;
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this._nextButton.style.display = isEnd ? 'none' : 'block';
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this._endButton.style.display = isEnd ? 'block' : 'none';
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}
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});
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