mirror of
https://github.com/flynx/ImageGrid.git
synced 2025-11-03 21:00:14 +00:00
646 lines
17 KiB
JavaScript
Executable File
646 lines
17 KiB
JavaScript
Executable File
/**********************************************************************
|
|
*
|
|
*
|
|
*
|
|
**********************************************************************/
|
|
|
|
define(function(require){ var module = {}
|
|
console.log('>>> viewer')
|
|
|
|
//var DEBUG = DEBUG != null ? DEBUG : true
|
|
|
|
var actions = require('lib/actions')
|
|
|
|
var data = require('data')
|
|
var ribbons = require('ribbons')
|
|
|
|
|
|
/*********************************************************************/
|
|
//
|
|
// XXX Tasks to accomplish here:
|
|
// - life-cycle actions/events
|
|
// - setup
|
|
// - reset
|
|
// - "features" and the mechanism to turn them on or off (action-sets)
|
|
//
|
|
//
|
|
|
|
var Client =
|
|
module.Client =
|
|
actions.Actions({
|
|
|
|
// XXX should this be here???
|
|
config: {
|
|
'steps-to-change-direction': 3,
|
|
'max-screen-images': 30,
|
|
'zoom-step': 1.2,
|
|
},
|
|
|
|
|
|
// basic state...
|
|
// NOTE: the setters in the following use the appropriate actions
|
|
// so to avoid recursion do not use these in the specific
|
|
// actions...
|
|
|
|
// Base ribbon...
|
|
get base(){
|
|
return this.data == null ? null : this.data.base
|
|
},
|
|
set base(value){
|
|
this.setBaseRibbon(value)
|
|
},
|
|
|
|
// Current image...
|
|
get current(){
|
|
return this.data == null ? null : this.data.current
|
|
},
|
|
set current(value){
|
|
this.focusImage(value)
|
|
},
|
|
|
|
// Current ribbon...
|
|
get currentRibbon(){
|
|
return this.data == null ? null : this.data.getRibbon()
|
|
},
|
|
set currentRibbon(value){
|
|
this.focusRibbon(value)
|
|
},
|
|
|
|
// Default direction...
|
|
//
|
|
// This can be 'left' or 'right', other values are ignored.
|
|
//
|
|
// The system has inertial direction change, after >N steps of
|
|
// movement in one direction it takes N steps to reverse the default
|
|
// direction.
|
|
// The number of steps (N) is set in:
|
|
// .config['steps-to-change-direction']
|
|
//
|
|
// NOTE: to force direction change append a '!' to the direction.
|
|
// e.g. X.direction = 'left!'
|
|
get direction(){
|
|
return this._direction >= 0 ? 'right'
|
|
: this._direction < 0 ? 'left'
|
|
: 'right'
|
|
},
|
|
set direction(value){
|
|
// force direction change...
|
|
if(value.slice(-1) == '!'){
|
|
this._direction = value == 'left!' ? -1
|
|
: value == 'right!' ? 0
|
|
: this._direction
|
|
|
|
// 'update' direction...
|
|
} else {
|
|
value = value == 'left' ? -1
|
|
: value == 'right' ? 1
|
|
: 0
|
|
var d = (this._direction || 0) + value
|
|
var s = this.config['steps-to-change-direction']
|
|
s = s < 1 ? 1 : s
|
|
// cap the direction value between -s and s-1...
|
|
// NOTE: we use s-1 instead of s as 0/null is a positive
|
|
// direction...
|
|
d = d >= s ? s-1 : d
|
|
d = d < -s ? -s : d
|
|
this._direction = d
|
|
}
|
|
},
|
|
|
|
|
|
// basic life-cycle actions...
|
|
//
|
|
ready: [
|
|
function(){
|
|
// XXX setup empty state...
|
|
}],
|
|
load: [
|
|
function(d){
|
|
this.data = data.Data(d.data)
|
|
}],
|
|
clear: [
|
|
function(){
|
|
delete this.data
|
|
}],
|
|
|
|
|
|
// basic navigation...
|
|
//
|
|
focusImage: ['Focus image',
|
|
function(img, list){
|
|
this.data.focusImage(img, list)
|
|
}],
|
|
focusRibbon: ['Focus Ribbon',
|
|
function(target){
|
|
var data = this.data
|
|
var r = data.getRibbon(target)
|
|
if(r == null){
|
|
return
|
|
}
|
|
var c = data.getRibbonOrder()
|
|
var i = data.getRibbonOrder(r)
|
|
|
|
// NOTE: we are not changing the direction here based on
|
|
// this.direction as swap will confuse the user...
|
|
var direction = c < i ? 'before' : 'after'
|
|
|
|
var t = data.getImage(r, direction)
|
|
|
|
// if there are no images in the requied direction, try the
|
|
// other way...
|
|
t = t == null ? data.getImage(r, direction == 'before' ? 'after' : 'before') : t
|
|
|
|
this.focusImage(t, r)
|
|
}],
|
|
setBaseRibbon: ['Set base ribbon',
|
|
function(target){ this.data.setBase(target) }],
|
|
|
|
// shorthands for .focusImage(..) and .focusRibbon(..)...
|
|
firstImage: ['Focus first image in current ribbon',
|
|
function(){ this.focusImage('first') }],
|
|
lastImage: ['Focus last image in current ribbon',
|
|
function(){ this.focusImage('last') }],
|
|
|
|
prevImage: ['Focus previous image',
|
|
function(){
|
|
// keep track of traverse direction...
|
|
this.direction = 'left'
|
|
this.focusImage('prev')
|
|
}],
|
|
nextImage: ['Focus next image',
|
|
function(){
|
|
// keep track of traverse direction...
|
|
this.direction = 'right'
|
|
this.focusImage('next')
|
|
}],
|
|
|
|
prevImageInOrder: ['Focus previous image in order',
|
|
function(){
|
|
// keep track of traverse direction...
|
|
this.direction = 'left'
|
|
this.focusImage('prev', this.data.order)
|
|
}],
|
|
nextImageInOrder: ['Focus next image in order',
|
|
function(){
|
|
// keep track of traverse direction...
|
|
this.direction = 'right'
|
|
this.focusImage('next', this.data.order)
|
|
}],
|
|
|
|
firstRibbon: ['Focus previous ribbon',
|
|
function(){ this.focusRibbon('fisrt') }],
|
|
lastRibbon: ['Focus next ribbon',
|
|
function(){ this.focusRibbon('last') }],
|
|
|
|
// XXX check that going up/down must be stable and not drift to
|
|
// adjacent images...
|
|
prevRibbon: ['Focus previous ribbon',
|
|
function(){ this.focusRibbon('before') }],
|
|
nextRibbon: ['Focus next ribbon',
|
|
function(){ this.focusRibbon('after') }],
|
|
|
|
|
|
// basic ribbon editing...
|
|
//
|
|
// NOTE: for all of these, current/ribbon image is a default...
|
|
|
|
// XXX to be used for things like mark/place and dragging...
|
|
shiftImageTo: ['',
|
|
function(target, to){
|
|
// XXX
|
|
}],
|
|
|
|
shiftImageUp: ['Shift image up',
|
|
'If implicitly shifting current image (i.e. no arguments), focus '
|
|
+'will shift to the next or previous image in the current '
|
|
+'ribbon depending on current direction.',
|
|
function(target){
|
|
// by default we need to focus another image in the same ribbon...
|
|
if(target == null){
|
|
var direction = this.direction == 'right' ? 'next' : 'prev'
|
|
|
|
var cur = this.data.getImage()
|
|
var next = this.data.getImage(direction)
|
|
next = next == null
|
|
? this.data.getImage(direction == 'next' ? 'prev' : 'next')
|
|
: next
|
|
|
|
this.data.shiftImageUp(cur)
|
|
this.focusImage(next)
|
|
|
|
// if a specific target is given, just shift it...
|
|
} else {
|
|
this.data.shiftImageUp(target)
|
|
}
|
|
}],
|
|
shiftImageDown: ['Shift image down',
|
|
'If implicitly shifting current image (i.e. no arguments), focus '
|
|
+'will shift to the next or previous image in the current '
|
|
+'ribbon depending on current direction.',
|
|
function(target){
|
|
// by default we need to focus another image in the same ribbon...
|
|
if(target == null){
|
|
var direction = this.direction == 'right' ? 'next' : 'prev'
|
|
|
|
var cur = this.data.getImage()
|
|
var next = this.data.getImage(direction)
|
|
next = next == null
|
|
? this.data.getImage(direction == 'next' ? 'prev' : 'next')
|
|
: next
|
|
|
|
this.data.shiftImageDown(cur)
|
|
this.focusImage(next)
|
|
|
|
// if a specific target is given, just shift it...
|
|
} else {
|
|
this.data.shiftImageDown(target)
|
|
}
|
|
}],
|
|
shiftImageUpNewRibbon: ['Shift image up to a new empty ribbon',
|
|
function(target){
|
|
this.data.newRibbon(target)
|
|
this.shiftImageUp(target)
|
|
}],
|
|
shiftImageDownNewRibbon: ['Shift image down to a new empty ribbon',
|
|
function(target){
|
|
this.data.newRibbon(target, 'below')
|
|
this.shiftImageDown(target)
|
|
}],
|
|
shiftImageLeft: ['Shift image left',
|
|
function(target){
|
|
if(target == null){
|
|
this.direction = 'left'
|
|
}
|
|
this.data.shiftImageLeft(target)
|
|
this.focusImage()
|
|
}],
|
|
shiftImageRight: ['Shift image right',
|
|
function(target){
|
|
if(target == null){
|
|
this.direction = 'right'
|
|
}
|
|
this.data.shiftImageRight(target)
|
|
this.focusImage()
|
|
}],
|
|
|
|
shiftRibbonUp: ['Shift ribbon up',
|
|
function(target){
|
|
this.data.shiftRibbonUp(target)
|
|
// XXX is this the right way to go/???
|
|
this.focusImage()
|
|
}],
|
|
shiftRibbonDown: ['Shift ribbon down',
|
|
function(target){
|
|
this.data.shiftRibbonDown(target)
|
|
// XXX is this the right way to go/???
|
|
this.focusImage()
|
|
}],
|
|
|
|
reverseImages: ['Reverse image order',
|
|
function(){ this.data.reverseImages() }],
|
|
reverseRibbons: ['Reverse ribbon order',
|
|
function(){ this.data.reverseRibbons() }],
|
|
|
|
|
|
// XXX this also requires images...
|
|
sortImages: [
|
|
function(){ }],
|
|
|
|
// basic image editing...
|
|
//
|
|
// XXX these are not data stuff... should this be split into a
|
|
// separate images block???
|
|
rotateCW: [
|
|
function(){ }],
|
|
rotateCCW: [
|
|
function(){ }],
|
|
flipVertical: [
|
|
function(){ }],
|
|
flipHorizontal: [
|
|
function(){ }],
|
|
|
|
|
|
// crop...
|
|
//
|
|
// XXX
|
|
|
|
})
|
|
|
|
|
|
|
|
// XXX do partial loading...
|
|
var Viewer =
|
|
module.Viewer =
|
|
actions.Actions(Client, {
|
|
|
|
ready: [
|
|
function(){
|
|
// XXX setup empty state...
|
|
}],
|
|
load: [
|
|
function(data){
|
|
// recycle the viewer if one is not given specifically...
|
|
var viewer = data.viewer
|
|
viewer = viewer == null && this.ribbons != null
|
|
? this.ribbons.viewer
|
|
: viewer
|
|
// XXX do we need to recycle the images???
|
|
|
|
this.ribbons = ribbons.Ribbons(viewer, data.images)
|
|
|
|
return function(){
|
|
// XXX do a partial load...
|
|
// XXX
|
|
|
|
this.ribbons.updateData(this.data)
|
|
this.focusImage()
|
|
}
|
|
}],
|
|
reload: [
|
|
function(){
|
|
this.ribbons.updateData(this.data)
|
|
this.focusImage()
|
|
}],
|
|
clear: [
|
|
// XXX do we need to delete the ribbons???
|
|
function(){
|
|
this.ribbons.clear()
|
|
delete this.ribbons
|
|
}],
|
|
|
|
|
|
focusImage: [
|
|
// XXX skip invisible ribbons (???)
|
|
// XXX load data chunks...
|
|
function(target, list){
|
|
var ribbons = this.ribbons
|
|
var data = this.data
|
|
|
|
if(data == null){
|
|
target = ribbons.focusImage(target)
|
|
var gid = ribbons.getElemGID(target)
|
|
}
|
|
|
|
return function(){
|
|
if(data != null){
|
|
// use the data for all the heavy lifting...
|
|
// NOTE: this will prevent sync errors...
|
|
var gid = data.getImage()
|
|
target = ribbons.focusImage(gid)
|
|
|
|
// XXX see if we need to do some loading...
|
|
// XXX
|
|
}
|
|
|
|
// align current ribbon...
|
|
ribbons
|
|
.centerRibbon(target)
|
|
.centerImage(target)
|
|
|
|
// align other ribbons...
|
|
if(data != null){
|
|
var ribbon = data.getRibbon(gid)
|
|
for(var r in data.ribbons){
|
|
// skip the current ribbon...
|
|
if(r == ribbon){
|
|
continue
|
|
}
|
|
|
|
// XXX skip off-screen ribbons...
|
|
// XXX
|
|
|
|
// center...
|
|
// XXX is there a 'last' special case here???
|
|
var t = data.getImage(gid, r)
|
|
if(t == null){
|
|
var f = data.getImage('first', r)
|
|
// nothing found -- empty ribbon?
|
|
if(f == null){
|
|
continue
|
|
}
|
|
ribbons.centerImage(data.getImage('first', r), 'before')
|
|
} else {
|
|
ribbons.centerImage(t, 'after')
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}],
|
|
setBaseRibbon: [
|
|
function(target){
|
|
var r = this.data.getRibbon(target)
|
|
r = r == null ? this.ribbons.getRibbon(target) : r
|
|
this.ribbons.setBaseRibbon(r)
|
|
}],
|
|
|
|
prevScreen: ['Focus previous image one screen width away',
|
|
function(){
|
|
var s = Math.ceil(this.ribbons.getScreenWidthImages())
|
|
this.focusImage(this.data.getImage('current', -s)
|
|
// go to the first image if it's closer than s...
|
|
|| this.data.getImage('first'))
|
|
}],
|
|
nextScreen: ['Focus next image one screen width away',
|
|
function(){
|
|
var s = Math.ceil(this.ribbons.getScreenWidthImages())
|
|
this.focusImage(this.data.getImage('current', s)
|
|
// go to the last image if it's closer than s...
|
|
|| this.data.getImage('last'))
|
|
}],
|
|
|
|
// zooming...
|
|
//
|
|
// Zooming is done by multiplying the current scale by config['zoom-step']
|
|
// and rounding to nearest discrete number of images to fit on screen.
|
|
zoomIn: ['Zoom in',
|
|
function(){
|
|
this.ribbons.setOrigin()
|
|
|
|
//var n = Math.round(this.ribbons.getScreenWidthImages())-1
|
|
var d = this.config['zoom-step']
|
|
var s = a.ribbons.getScale() * d
|
|
var n = Math.floor(this.ribbons.getScreenWidthImages(s))
|
|
|
|
this.fitImage(n <= 0 ? 1 : n)
|
|
}],
|
|
zoomOut: ['Zoom out',
|
|
function(){
|
|
this.ribbons.setOrigin()
|
|
|
|
//var n = Math.round(this.ribbons.getScreenWidthImages())+1
|
|
var d = this.config['zoom-step']
|
|
var s = a.ribbons.getScale() / d
|
|
var n = Math.ceil(this.ribbons.getScreenWidthImages(s))
|
|
|
|
var max = this.config['max-screen-images']
|
|
this.fitImage(n > max ? max : n)
|
|
}],
|
|
|
|
fitOrig: ['Fit to original scale',
|
|
function(){
|
|
this.ribbons.setScale(1)
|
|
this.ribbons.updateImage('*')
|
|
}],
|
|
|
|
// NOTE: if this gets a count argument it will fit count images,
|
|
// default is one.
|
|
fitImage: ['Fit image',
|
|
function(count){
|
|
this.ribbons.fitImage(count)
|
|
this.ribbons.updateImage('*')
|
|
}],
|
|
|
|
fitTwo: ['Fit two images', function(){ this.fitImage(2) }],
|
|
fitThree: ['Fit three images', function(){ this.fitImage(3) }],
|
|
fitFour: ['Fit four images', function(){ this.fitImage(4) }],
|
|
fitFive: ['Fit five images', function(){ this.fitImage(5) }],
|
|
fitSix: ['Fit six images', function(){ this.fitImage(6) }],
|
|
fitSeven: ['Fit seven images', function(){ this.fitImage(7) }],
|
|
fitEight: ['Fit eight images', function(){ this.fitImage(8) }],
|
|
fitNine: ['Fit nine images', function(){ this.fitImage(9) }],
|
|
fitTen: ['Fit ten images', function(){ this.fitImage(10) }],
|
|
fitEleven: ['Fit eleven images', function(){ this.fitImage(11) }],
|
|
fitTwelve: ['Fit twelve images', function(){ this.fitImage(12) }],
|
|
|
|
fitMax: ['Fit the maximum number of images',
|
|
function(){ this.fitImage(this.config['max-screen-images']) }],
|
|
|
|
// XXX
|
|
fitSmall: ['Show small image',
|
|
function(){ }],
|
|
// XXX
|
|
fitNormal: ['Show normal image',
|
|
function(){ }],
|
|
// XXX
|
|
fitScreen: ['Fit image to screen',
|
|
function(){ }],
|
|
|
|
|
|
// XXX are these cheating???
|
|
shiftImageUp: [
|
|
function(target){
|
|
// prevent animations form adding/removing ribbons...
|
|
this.ribbons.preventTransitions()
|
|
|
|
return function(){
|
|
// NOTE: this may seem like cheating, but .reload() should
|
|
// be very efficient, reusing all of the items loaded...
|
|
this.reload()
|
|
this.ribbons.restoreTransitions()
|
|
}
|
|
}],
|
|
shiftImageDown: [
|
|
function(target){
|
|
// prevent animations form adding/removing ribbons...
|
|
this.ribbons.preventTransitions()
|
|
|
|
return function(){
|
|
// NOTE: this may seem like cheating, but .reload() should
|
|
// be very efficient, reusing all of the items loaded...
|
|
this.reload()
|
|
this.ribbons.restoreTransitions()
|
|
}
|
|
}],
|
|
|
|
// NOTE: .shiftImageDownNewRibbon(..) and .shiftImageUpNewRibbon(..)
|
|
// are not needed here when doing a reload on vertical
|
|
// shifting...
|
|
|
|
shiftImageLeft: [
|
|
function(target){
|
|
this.ribbons.placeImage(target, -1)
|
|
}],
|
|
shiftImageRight: [
|
|
function(target){
|
|
this.ribbons.placeImage(target, 1)
|
|
}],
|
|
|
|
shiftRibbonUp: [
|
|
function(target){
|
|
target = this.ribbons.getRibbon(target)
|
|
var i = this.ribbons.getRibbonOrder(target)
|
|
if(i > 0){
|
|
this.ribbons.placeRibbon(target, i-1)
|
|
}
|
|
}],
|
|
shiftRibbonDown: [
|
|
function(target){
|
|
target = this.ribbons.getRibbon(target)
|
|
var i = this.ribbons.getRibbonOrder(target)
|
|
if(i < this.data.ribbon_order.length-1){
|
|
this.ribbons.placeRibbon(target, i+1)
|
|
}
|
|
}],
|
|
|
|
reverseImages: [
|
|
function(){
|
|
this.ribbons.preventTransitions()
|
|
|
|
return function(){
|
|
this.reload()
|
|
this.ribbons.restoreTransitions()
|
|
}
|
|
}],
|
|
reverseRibbons: [
|
|
function(target){
|
|
return function(){
|
|
// XXX this is cheating...
|
|
this.reload()
|
|
}
|
|
}],
|
|
|
|
|
|
// basic image editing...
|
|
//
|
|
// XXX should these call .images.* or should it be done by data...
|
|
// ...I think that data is a better candidate as it should be
|
|
// standalone...
|
|
rotateCW: [
|
|
function(target){ this.ribbons.rotateCW(target) }],
|
|
rotateCCW: [
|
|
function(target){ this.ribbons.rotateCCW(target) }],
|
|
flipVertical: [
|
|
function(target){ this.ribbons.flipVertical(target) }],
|
|
flipHorizontal: [
|
|
function(target){ this.ribbons.flipHorizontal(target) }],
|
|
|
|
})
|
|
|
|
|
|
|
|
/*********************************************************************/
|
|
// XXX do a simple feature framework...
|
|
// ...need something like:
|
|
// Features(['feature_a', 'feature_b'], action).setup()
|
|
|
|
var Animation =
|
|
module.Animation = {
|
|
tag: 'animation_handler',
|
|
|
|
setup: function(actions){
|
|
var animate = function(target){
|
|
var s = this.ribbons.makeShadow(target, true)
|
|
return function(){ s() }
|
|
}
|
|
var noanimate = function(target){
|
|
var s = this.ribbons.makeShadow(target)
|
|
return function(){ s() }
|
|
}
|
|
var tag = this.tag
|
|
return actions
|
|
.on('shiftImageUp.pre', tag, animate)
|
|
.on('shiftImageDown.pre', tag, animate)
|
|
.on('shiftImageLeft.pre', tag, noanimate)
|
|
.on('shiftImageRight.pre', tag, noanimate)
|
|
},
|
|
remove: function(actions){
|
|
return actions.off('*', this.tag)
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
* vim:set ts=4 sw=4 : */
|
|
return module })
|