flynx/ImageGrid
1
1
Fork 0
mirror of https://github.com/flynx/ImageGrid.git synced 2025-10-29 02:10:08 +00:00
Code Issues Packages Projects Releases Wiki Activity

added basic event infrastructure...

Browse Source 
Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2019-02-26 04:13:00 +03:00
parent eb2de5361d
commit 201f87ba52
1 changed files with 33 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
ui (gen4)/lib/widget/browse2.js
View File

@ -200,6 +200,9 @@ var makeEventMethod = function(event, handler){
handler
&& handler.call(this, ...arguments)
// XXX we should get the actual item and pass it on...
this.trigger(event, ...arguments)
return this
}
}
@ -533,17 +536,47 @@ var BaseBrowserPrototype = {
sort: function(){},
splice: function(){},
// XXX
__event_handlers: null,
// XXX add support for tagged events...
// XXX should these be defined on this level or should we use DOM???
on: function(evt, handler){
var handlers = this.__event_handlers = this.__event_handlers || {}
handlers = handlers[evt] = handlers[evt] || []
handlers.push(handler)
return this
},
one: function(evt, handler){
var func = function(...args){
handler.call(this, ...args)
this.off(evt, func)
}
this.on(evt, func)
return this
},
off: function(evt, handler){
// remove all handlers
if(handler == '*' || handler == 'all'){
delete (this.__event_handlers || {})[evt]
// remove only the specific handler...
} else {
var handlers = (this.__event_handlers || {})[evt] || []
do{
var i = handlers.indexOf(handler)
i > -1
&& handlers.splice(i, 1)
} while(i > -1)
}
return this
},
trigger: function(evt, ...args){
var that = this
;((this.__event_handlers || {})[evt] || [])
.forEach(function(handler){
handler.call(that, ...args) })
return this
},