mirror of
https://github.com/flynx/ImageGrid.git
synced 2025-10-31 03:10:07 +00:00
380 lines
9.5 KiB
JavaScript
Executable File
380 lines
9.5 KiB
JavaScript
Executable File
$(document).ready(function() {
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// current state...
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if($('.current-ribbon').length == 0){
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$('.ribbon').first().addClass('current-ribbon')
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}
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if($('.current-image').length == 0){
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$('.current-ribbon').children('.image').first().addClass('current-image')
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}
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// setup event handlers...
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$(document)
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.keydown(handleKeys)
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$('.viewer')
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// XXX does not work on android... (might need to add tap event handling)
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//.gestures({eventHandler: handleGestures})
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// XXX this is flaky and breaks some of my code...
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.swipe({
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swipeLeft: nextImage,
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swipeRight: prevImage,
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swipeUp: demoteImage,
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swipeDown: promoteImage,
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})
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/* XXX jquery.mobile handlers... (with this I'm getting way too much bling)
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.bind('swipeleft', function(e){
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nextImage()
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e.preventDefault()
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return false
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})
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.bind('swiperight', function(e){
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prevImage()
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e.preventDefault()
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return false
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})
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*/
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$(".image").click(handleClick)
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// control elements...
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$('.next-image').click(nextImage)
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$('.prev-image').click(prevImage)
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$('.demote').click(demoteImage)
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$('.promote').click(promoteImage)
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$('.toggle-wide').click(toggleWideView)
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$('.toggle-single').click(toggleRibbonView)
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// load images...
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// XXX not allowed...
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//$.getJSON('images.js', loadImages})
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// XXX STUB
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loadImages(image_list)
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// set the default position and init...
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$('.current-image').click()
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});
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function loadImages(json){
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var images = json.images
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var ribbon = $('.ribbon').last()
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$('.image').remove()
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for(var i = 0; i < images.length; i++){
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$('<div class="image"></div>')
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.css({ 'background-image': 'url('+images[i]+')' })
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.click(handleClick)
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.appendTo(ribbon)
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}
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ribbon.children().first().click()
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}
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// XXX jquery.gestures handler...
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function handleGestures(e){
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switch (e){
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case 'N':
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demoteImage()
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break
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case 'S':
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promoteImage()
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break
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case 'E':
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prevImage()
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break
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case 'W':
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nextImage()
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break
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}
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}
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function handleClick(e) {
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var cur = $(this)
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// switch classes...
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cur.parents().siblings().children(".image").removeClass("current-image")
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cur.siblings(".image").removeClass("current-image")
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cur.siblings().children(".image").removeClass("current-image")
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cur.parents().siblings(".ribbon").removeClass("current-ribbon")
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cur.addClass("current-image")
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cur.parents(".ribbon").addClass("current-ribbon")
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var container = cur.parents('.container')
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var field = cur.parents(".field")
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var image_offset = cur.offset()
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var field_offset = field.offset()
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// center the current image...
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field.css({
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left: field_offset.left - image_offset.left + (container.innerWidth() - cur.innerWidth())/2,
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top: field_offset.top - image_offset.top + (container.innerHeight() - cur.innerHeight())/2
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})
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// XXX do I need this???
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e.preventDefault();
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}
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var keys = {
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toggleHelpKeys: [72],
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toggleRibbonView: [70],
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closeKeys: [27, 88, 67],
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firstKeys: [36],
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lastKeys: [35],
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previousKeys: [37, 80, 188, 8],
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nextKeys: [39, 78, 190, 32],
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// these work with ctrl and shift modifiers...
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downKeys: [40],
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upKeys: [38],
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// these work with ctrl modifier...
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promoteKeys: [45],
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demoteKeys: [46],
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ignoreKeys: [16, 17, 18],
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helpShowOnUnknownKey: true
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}
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function handleKeys(event){
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var code = event.keyCode, fn = $.inArray;
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var _ = (fn(code, keys.closeKeys) >= 0) ? function(){}()
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: (fn(code, keys.firstKeys) >= 0) ? firstImage()
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: (fn(code, keys.nextKeys) >= 0) ? nextImage()
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: (fn(code, keys.previousKeys) >= 0) ? prevImage()
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: (fn(code, keys.lastKeys) >= 0) ? lastImage()
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: (fn(code, keys.promoteKeys) >= 0) ? function(){
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if(event.ctrlKey){
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createRibbonBelow()
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}
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promoteImage()
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}()
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: (fn(code, keys.demoteKeys) >= 0) ? function(){
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if(event.ctrlKey){
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createRibbonAbove()
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}
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demoteImage()
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}()
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: (fn(code, keys.downKeys) >= 0) ? function(){
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if(event.shiftKey){
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if(event.ctrlKey){
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createRibbonBelow()
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}
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promoteImage()
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} else {
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focusBelowRibbon()
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}
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}()
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: (fn(code, keys.upKeys) >= 0) ? function(){
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if(event.shiftKey){
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if(event.ctrlKey){
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createRibbonAbove()
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}
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demoteImage()
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} else {
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focusAboveRibbon()
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}
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}()
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: (fn(code, keys.toggleRibbonView) >= 0) ? toggleRibbonView()
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: (fn(code, keys.ignoreKeys) >= 0) ? false
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// XXX
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: (keys.helpShowOnUnknownKey) ? function(){alert(code)}()
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: false;
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return false;
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}
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// modes...
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function showRibbon(){
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$('.single-image-mode')
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.removeClass('single-image-mode')
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.one("webkitTransitionEnd oTransitionEnd msTransitionEnd transitionend", function(){
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$('.current-image').click()
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return true
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});
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}
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function showSingle(){
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$('.viewer').not('.single-image-mode')
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.addClass('single-image-mode')
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.one("webkitTransitionEnd oTransitionEnd msTransitionEnd transitionend", function(){
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$('.current-image').click()
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return true
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});
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}
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function toggleRibbonView(){
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if($('.single-image-mode').length > 0){
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showRibbon()
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} else {
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showSingle()
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}
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}
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// XXX need to reposition the whole thing correctly...
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function toggleWideView(){
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if($('.wide-view-mode').length > 0){
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$('.wide-view-mode')
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.removeClass('wide-view-mode')
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.one("webkitTransitionEnd oTransitionEnd msTransitionEnd transitionend", function(){
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$('.current-image').click()
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return true
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});
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} else {
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showRibbon()
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//$('.container')
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$('.viewer')
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.not('.wide-view-mode')
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.addClass('wide-view-mode')
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.one("webkitTransitionEnd oTransitionEnd msTransitionEnd transitionend", function(){
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$('.current-image').click()
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return true
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});
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}
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}
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// basic navigation...
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function firstImage(){
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$('.current-ribbon').children('.image').first().click()
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}
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function prevImage(){
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$('.current-image').prev('.image').click()
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}
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function nextImage(){
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$('.current-image').next('.image').click()
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}
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function lastImage(){
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$('.current-ribbon').children('.image').last().click()
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}
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// XXX select appropriate image...
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function focusAboveRibbon(){
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$('.current-ribbon').prev('.ribbon').children('.image').first().click()
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}
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// XXX select appropriate image...
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function focusBelowRibbon(){
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$('.current-ribbon').next('.ribbon').children('.image').first().click()
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}
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// create ribbon above/below helpers...
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// XXX NOTE: this will shift the content downwards...
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function createRibbonAbove(){
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var res = $('<div class="new-ribbon"></div>')
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.insertBefore('.current-ribbon')
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// HACK: without this, the class change below will not animate...
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.show()
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.addClass('ribbon')
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.removeClass('new-ribbon')
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// XXX find a better way to do this...
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$('.field').css({
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top: $('.field').position().top - $('.current-ribbon').outerHeight()
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})
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return res
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}
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function createRibbonBelow(){
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return $('<div class="new-ribbon"></div>')
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.insertAfter('.current-ribbon')
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// HACK: without this, the class change below will not animate...
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.show()
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.addClass('ribbon')
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.removeClass('new-ribbon')
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}
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// Modifiers...
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// XXX sort elements correctly...
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function mergeRibbonsUp(){
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$('.current-ribbon')
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.prev('.ribbon')
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.children()
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.detach()
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.insertAfter('.current-image')
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$('.current-ribbon')
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.prev('.ribbon')
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.slideUp(function(){
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$(this).remove()
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$('.current-image').click()
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})
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}
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// XXX sort elements correctly...
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function mergeRibbonsDown(){
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$('.current-ribbon')
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.next('.ribbon')
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.children()
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.detach()
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.insertAfter('.current-image')
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$('.current-ribbon')
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.next('.ribbon')
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.slideUp(function(){
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$(this).remove()
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$('.current-image').click()
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})
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}
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// XXX sort elements correctly...
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// XXX do animations...
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function promoteImage(){
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if($('.current-ribbon').next('.ribbon').length == 0){
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createRibbonBelow()
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}
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// XXX sort elements correctly...
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if($('.current-ribbon').children('.image').length == 1){
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// XXX this adds image to the head while the below portion adds it to the tail...
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mergeRibbonsDown()
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} else {
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img = $('.current-image')
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if(img.next('.image').length == 0){
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prevImage()
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} else {
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nextImage()
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}
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img
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.detach()
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.appendTo($('.current-ribbon').next('.ribbon'))
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}
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$('.current-image').click()
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}
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// XXX sort elements correctly...
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// XXX do animations...
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// XXX BUG: when demoting first image (new ribbon created) it gets focused...
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// REASON: .click() gets called in several places BEFORE the animation is done...
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// NOTE: this bog does not affect promoteImage -- adding a lower element does not affect current positioning...
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function demoteImage(){
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if($('.current-ribbon').prev('.ribbon').length == 0){
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var new_ribbon = createRibbonAbove()
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}
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// XXX sort elements correctly...
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if($('.current-ribbon').children('.image').length == 1){
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// XXX this adds image to the head while the below portion adds it to the tail...
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mergeRibbonsUp()
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} else {
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img = $('.current-image')
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if(img.next('.image').length == 0){
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// XXX in case when we've just created an empty ribbon, the click in this fires BEFORE it is fully expanded...
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prevImage()
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} else {
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// XXX in case when we've just created an empty ribbon, the click in this fires BEFORE it is fully expanded...
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nextImage()
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}
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img
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.detach()
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.appendTo($('.current-ribbon').prev('.ribbon'))
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}
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// XXX in case when we've just created an empty ribbon, the click in this fires BEFORE it is fully expanded...
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$('.current-image').click()
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}
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// vim:set ts=4 sw=4 nowrap :
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