114 lines
3.3 KiB
JavaScript
114 lines
3.3 KiB
JavaScript
/*
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* @provide pskl.Palette
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*
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* @require Constants
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* @require Events
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*/
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$.namespace("pskl");
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pskl.Palette = (function() {
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var paletteRoot,
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paletteColors = [];
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/**
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* @private
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*/
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var onPickerChange_ = function(evt, isPrimary) {
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var inputPicker = $(evt.target);
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$.publish(Events.COLOR_SELECTED, [inputPicker.val(), evt.data.isPrimary]);
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};
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/**
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* @private
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*/
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var createPalette_ = function (colors) {
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// Always adding transparent color
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paletteRoot.html('<span class="palette-color transparent-color" data-color="TRANSPARENT" title="Transparent"></span>');
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for(var color in colors) {
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if(color != Constants.TRANSPARENT_COLOR) {
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addColorToPalette_(color);
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}
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}
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};
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/**
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* @private
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*/
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var addColorToPalette_ = function (color) {
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if (paletteColors.indexOf(color) == -1 && color != Constants.TRANSPARENT_COLOR) {
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var colorEl = document.createElement("li");
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colorEl.className = "palette-color";
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colorEl.setAttribute("data-color", color);
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colorEl.setAttribute("title", color);
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colorEl.style.background = color;
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paletteRoot[0].appendChild(colorEl);
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paletteColors.push(color);
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}
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};
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/**
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* @private
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*/
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var onPaletteColorClick_ = function (event) {
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var selectedColor = $(event.target).data("color");
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if (event.which == 1) { // left button
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updateColorPicker(selectedColor, $('#color-picker'));
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$.publish(Events.COLOR_SELECTED, [selectedColor, true]);
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} else if (event.which == 3) { // right button
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updateColorPicker(selectedColor, $('#secondary-color-picker'));
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$.publish(Events.COLOR_SELECTED, [selectedColor, false]);
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}
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};
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var updateColorPicker = function (color, colorPicker) {
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if (color == Constants.TRANSPARENT_COLOR) {
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// We can set the current palette color to transparent.
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// You can then combine this transparent color with an advanced
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// tool for customized deletions.
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// Eg: bucket + transparent: Delete a colored area
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// Stroke + transparent: hollow out the equivalent of a stroke
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// The colorpicker can't be set to a transparent state.
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// We set its background to white and insert the
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// string "TRANSPARENT" to mimic this state:
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colorPicker[0].color.fromString("#fff");
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colorPicker.val(Constants.TRANSPARENT_COLOR);
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} else {
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colorPicker[0].color.fromString(color);
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}
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}
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return {
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init: function(framesheet) {
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paletteRoot = $("#palette");
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// Initialize palette:
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createPalette_(framesheet.getUsedColors());
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$.subscribe(Events.FRAMESHEET_RESET, function(evt) {
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createPalette_(framesheet.getUsedColors());
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});
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paletteRoot.mouseup(onPaletteColorClick_);
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$.subscribe(Events.COLOR_SELECTED, function(evt, color) {
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addColorToPalette_(color);
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});
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// Initialize colorpicker:
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var colorPicker = $('#color-picker');
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colorPicker.val(Constants.DEFAULT_PEN_COLOR);
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colorPicker.change({isPrimary : true}, onPickerChange_);
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var secondaryColorPicker = $('#secondary-color-picker');
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secondaryColorPicker.val(Constants.TRANSPARENT_COLOR);
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secondaryColorPicker.change({isPrimary : false}, onPickerChange_);
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}
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};
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})();
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