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Merge pull request #5 from layerssss/contenteditable
refactor
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,6 @@ | ||
| { | ||
| "name": "paste.js", | ||
| "version": "0.0.4", | ||
| "version": "0.0.5", | ||
| "authors": [ | ||
| "Michael Yin <[email protected]>" | ||
| ], | ||
|
|
@@ -16,6 +16,6 @@ | |
| "index.html" | ||
| ], | ||
| "dependencies": { | ||
| "jquery": "~2.1.0" | ||
| "jquery": "*" | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,69 +1,127 @@ | ||
| $ = jQuery | ||
| readImagesFromEditable = (element, cb)-> | ||
| setTimeout (-> | ||
| $(element).find('img').each (i, img)-> | ||
| getImageData img.src, cb | ||
| ), 1 | ||
| getImageData = (src, cb)-> | ||
| loader = new Image() | ||
| loader.onload = -> | ||
| canvas = document.createElement 'canvas' | ||
| canvas.width = loader.width | ||
| canvas.height = loader.height | ||
| ctx = canvas.getContext '2d' | ||
| ctx.drawImage loader, 0, 0, canvas.width, canvas.height | ||
| dataURL = null | ||
| try | ||
| dataURL = canvas.toDataURL 'image/png' | ||
| catch | ||
| if dataURL | ||
| cb | ||
| dataURL: dataURL | ||
| width: loader.width | ||
| height: loader.height | ||
| loader.src = src | ||
| $ = window.jQuery | ||
| $.paste = (pasteContainer) -> | ||
| console?.log "DEPRECATED: This method is deprecated. Please use $.fn.pastableNonInputable() instead." | ||
| pm = Paste.mountNonInputable pasteContainer | ||
| pm._container | ||
| $.fn.pastableNonInputable = -> | ||
| for el in @ | ||
| paste = Paste.mountNonInputable el | ||
| @ | ||
| $.fn.pastableTextarea = -> | ||
| for el in @ | ||
| paste = Paste.mountTextarea el | ||
| @ | ||
| $.fn.pastableContenteditable = -> | ||
| for el in @ | ||
| paste = Paste.mountContenteditable el | ||
| @ | ||
|
|
||
| $.paste = -> | ||
| div = document.createElement 'div' | ||
| div.contentEditable = true | ||
| $(div).css | ||
| createHiddenEditable = -> | ||
| $(document.createElement 'div') | ||
| .attr 'contenteditable', true | ||
| .css | ||
| width: 1 | ||
| height: 1 | ||
| position: 'fixed' | ||
| left: -100 | ||
| overflow: 'hidden' | ||
| # backgroundColor: '#ccc' | ||
| .on 'paste', (ev)-> | ||
| if ev.originalEvent?.clipboardData? | ||
| clipboardData = ev.originalEvent.clipboardData | ||
| if clipboardData.items #webkit | ||
| for item in clipboardData.items | ||
| if item.type.match /^image\// | ||
| reader = new FileReader() | ||
| reader.onload = (event)=> | ||
| getImageData event.target.result, (data)-> | ||
| $(div).trigger 'pasteImage', data | ||
| reader.readAsDataURL item.getAsFile() | ||
| if item.type == 'text/plain' | ||
| item.getAsString (string)-> | ||
| $(div).trigger 'pasteText', text: string | ||
| else | ||
| if clipboardData.types.length | ||
| if (text = clipboardData.getData 'Text')?.length | ||
| $(div).trigger 'pasteText', text: text | ||
| else | ||
| readImagesFromEditable div, (data)-> | ||
| $(div).trigger 'pasteImage', data | ||
| if clipboardData = window.clipboardData # ie | ||
| if (text = clipboardData.getData 'Text')?.length | ||
| $(div).trigger 'pasteText', text: text | ||
| else | ||
| readImagesFromEditable div, (data)-> | ||
| $(div).trigger 'pasteImage', data | ||
|
|
||
| setTimeout (-> | ||
| $(div).html('') | ||
| ), 2 | ||
| return $ div | ||
| class Paste | ||
| # Element to receive final events. | ||
| _target: null | ||
|
|
||
| # Actual element to do pasting. | ||
| _container: null | ||
|
|
||
| @mountNonInputable: (nonInputable)-> | ||
| paste = new Paste createHiddenEditable().appendTo(nonInputable), nonInputable | ||
| $(nonInputable).on 'click', => paste._container.focus() | ||
|
|
||
| paste._container.on 'focus', => $(nonInputable).addClass 'pastable-focus' | ||
| paste._container.on 'blur', => $(nonInputable).removeClass 'pastable-focus' | ||
|
|
||
|
|
||
| @mountTextarea: (textarea)-> | ||
| return @mountContenteditable textarea unless window.ClipboardEvent | ||
| # Firefox only | ||
| paste = new Paste createHiddenEditable().insertBefore(textarea), textarea | ||
| $(textarea).on 'keypress', (ev)=> | ||
| return unless 'v' == String.fromCharCode ev.charCode | ||
| return unless ev.ctrlKey || ev.metaKey | ||
| paste._container.focus() | ||
| $(paste._target).on 'pasteImage', => | ||
| $(textarea).focus() | ||
| $(paste._target).on 'pasteText', => | ||
| $(textarea).focus() | ||
|
|
||
| $(textarea).on 'focus', => $(textarea).addClass 'pastable-focus' | ||
| $(textarea).on 'blur', => $(textarea).removeClass 'pastable-focus' | ||
|
|
||
| @mountContenteditable: (contenteditable)-> | ||
| paste = new Paste contenteditable, contenteditable | ||
|
|
||
| $(contenteditable).on 'focus', => $(contenteditable).addClass 'pastable-focus' | ||
| $(contenteditable).on 'blur', => $(contenteditable).removeClass 'pastable-focus' | ||
|
|
||
|
|
||
| constructor: (@_container, @_target)-> | ||
| @_container = $ @_container | ||
| @_target = $ @_target | ||
| .addClass 'pastable' | ||
| @_container.on 'paste', (ev)=> | ||
| if ev.originalEvent?.clipboardData? | ||
| clipboardData = ev.originalEvent.clipboardData | ||
| if clipboardData.items | ||
| # Chrome & Safari(text-only) | ||
| for item in clipboardData.items | ||
| if item.type.match /^image\// | ||
| reader = new FileReader() | ||
| reader.onload = (event)=> | ||
| @_handleImage event.target.result | ||
| reader.readAsDataURL item.getAsFile() | ||
| if item.type == 'text/plain' | ||
| item.getAsString (string)=> | ||
| @_target.trigger 'pasteText', text: string | ||
| else | ||
| # Firefox | ||
| if clipboardData.types.length | ||
| text = clipboardData.getData 'Text' | ||
| @_target.trigger 'pasteText', text: text | ||
| else | ||
| @_checkImagesInContainer (src)=> | ||
| @_handleImage src | ||
| # IE | ||
| if clipboardData = window.clipboardData | ||
| if (text = clipboardData.getData 'Text')?.length | ||
| @_target.trigger 'pasteText', text: text | ||
| else | ||
| for file in clipboardData.files | ||
| @_handleImage URL.createObjectURL(file) | ||
| @_checkImagesInContainer -> | ||
|
|
||
| _handleImage: (src)-> | ||
| loader = new Image() | ||
| loader.onload = => | ||
| canvas = document.createElement 'canvas' | ||
| canvas.width = loader.width | ||
| canvas.height = loader.height | ||
| ctx = canvas.getContext '2d' | ||
| ctx.drawImage loader, 0, 0, canvas.width, canvas.height | ||
| dataURL = null | ||
| try | ||
| dataURL = canvas.toDataURL 'image/png' | ||
| if dataURL | ||
| @_target.trigger 'pasteImage', | ||
| dataURL: dataURL | ||
| width: loader.width | ||
| height: loader.height | ||
| loader.src = src | ||
|
|
||
| _checkImagesInContainer: (cb)-> | ||
| timespan = Math.floor 1000 * Math.random() | ||
| img["_paste_marked_#{timespan}"] = true for img in @_container.find('img') | ||
| setTimeout => | ||
| for img in @_container.find('img') | ||
| cb img.src unless img["_paste_marked_#{timespan}"] | ||
| $(img).remove() | ||
| , 1 |
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