2024-10-27 11:01:12 +03:00
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/**********************************************************************
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*
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*
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*
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**********************************************************************/
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((typeof define)[0]=='u'?function(f){module.exports=f(require)}:define)
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(function(require){ var module={} // make module AMD/node compatible...
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/*********************************************************************/
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/*********************************************************************/
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var selectElemText =
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module.selectElemText =
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function(elem){
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var range = document.createRange()
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range.selectNodeContents(elem)
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var sel = window.getSelection()
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sel.removeAllRanges()
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sel.addRange(range) }
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// XXX make this global...
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var getCaretOffset =
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module.getCaretOffset =
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function(elem){
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var s = window.getSelection()
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if(s.rangeCount == 0){
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return -1 }
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var r = s.getRangeAt(0)
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var pre = r.cloneRange()
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pre.selectNodeContents(elem)
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pre.setEnd(r.endContainer, r.endOffset)
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return pre.toString().length || 0 }
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var selectionCollapsed =
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module.selectionCollapsed =
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function(elem){
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var s = window.getSelection()
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if(s.rangeCount == 0){
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return false }
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return s.getRangeAt(0).cloneRange().collapsed }
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//---------------------------------------------------------------------
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// XXX experiment
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if(typeof(jQuery) != typeof(undefined)){
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jQuery.fn._drag = function(){
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var dragging = false
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var s,
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px, py
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var elem = $(this)
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.on('mousedown touchstart', function(evt){
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dragging = true
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px = evt.clientX
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px = evt.clientY
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s = elem.rscale() })
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.on('mousemove touchmove', function(evt){
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if(!dragging){
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return }
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var x = evt.clientX
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var dx = px - x
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px = x
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var y = evt.clientY
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var dy = py - y
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py = y
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elem
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.velocity('stop')
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.velocity({
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translateX: '-=' + (dx / s),
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translateY: '-=' + (dy / s),
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}, 0) })
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.on('mouseup touchend', function(evt){
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dragging = false
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elem.velocity('stop') }) }
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jQuery.fn.selectText = function(mode){
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var range = document.createRange()
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this.each(function(){
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range.selectNodeContents(this) })
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var sel = window.getSelection()
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sel.removeAllRanges()
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mode === null
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|| sel.addRange(range)
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return this }
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jQuery.fn.deselectText =
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function(){
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this.selectText(null)
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return this }
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jQuery.fn.caretOffset =
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function(){
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return getCaretOffset(this) }
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jQuery.fn.selectionCollapsed =
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function(){
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return selectionCollapsed(this) }
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var keyboard = require('lib/keyboard')
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// Make element editable...
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//
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// Options format:
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// {
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// // activate (focus) element...
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// //
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// // NOTE: this will also select the element text...
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// activate: false,
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//
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// // set multi-line edit mode...
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// multiline: false,
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//
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// // if true in multi-line mode, accept filed on Enter, while
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// // ctrl-Enter / meta-Enter insert a new line; otherwise
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// // ctrl-Enter / meta-Enter will accept the edit.
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// accept_on_enter: true,
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//
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// // clear element value on edit...
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// clear_on_edit: false,
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//
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// // reset value on commit/abort...
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// // XXX revise default...
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// reset_on_commit: true,
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// reset_on_abort: true,
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//
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// // blur element on commit/abort...
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// blur_on_commit: false,
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// blur_on_abort: false,
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//
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// // restore focus before disabling the editor...
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// keep_focus_on_parent: true,
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//
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// // clear selection on commit/abort...
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// clear_selection_on_commit: true,
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// clear_selection_on_abort: true,
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//
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// // If false unhandled key events will not be propagated to
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// // parents...
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// propagate_unhandled_keys: true,
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//
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// // If false the element editable state will not be reset to
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// // the original when edit is done...
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// reset_on_done: true,
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//
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// // Keys that will abort the edit...
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// abort_keys: [
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// 'Esc',
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// ],
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// }
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//
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// This listens to these events triggerable by user:
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// 'edit-commit' - will commit changes, this is passed the
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// new text just edited.
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// 'edit-abort' - will reset field, this is passed the
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// original text before the edit.
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//
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// These events get passed the relevant text, but the element is
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// likely to be already reset to a different state, to get the
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// element before any state change is started use one of the
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// following variants:
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// 'edit-committing' - triggered within 'edit-commit' but before
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// anything is changed, gets passed the final
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// text (same as 'edit-commit')
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// 'edit-aborting' - triggered within 'edit-abort' but before
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// anything is changed, gets passed the
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// original text value (same as 'edit-abort')
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//
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// This will try and preserve element content DOM when resetting.
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//
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//
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// NOTE: removing tabindex will reset focus, so this will attempt to
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// focus the first [tabindex] element up the tree...
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//
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// XXX add option to select the element on start or just focus it...
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// .activate: 'select' | true | false
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// XXX should we just use form elements???
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// ...it's a trade-off, here we add editing functionality and fight
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// a bit the original function, in an input we'll need to fight part
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// of the editing functionality and add our own navigation...
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// XXX move this to a more generic spot...
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jQuery.fn.makeEditable = function(options){
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var that = this
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if(options == false){
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this
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.removeAttr('contenteditable')
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.removeAttr('tabindex')
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.removeClass('editable-field')
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var events = this.data('editable-field-events')
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for(var e in events){
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this.off(e, events[e]) }
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this.removeData('editable-field-events')
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return this }
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options = Object.assign({
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// defaults...
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activate: false,
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multiline: false,
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accept_on_enter: true,
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clear_on_edit: false,
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reset_on_commit: true,
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reset_on_abort: true,
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blur_on_commit: false,
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blur_on_abort: false,
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keep_focus_on_parent: true,
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clear_selection_on_commit: true,
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clear_selection_on_abort: true,
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propagate_unhandled_keys: true,
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reset_on_done: true,
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abort_keys: ['Esc'],
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}, options || {})
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var original_text = this[0].innerText
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var original_dom = document.createDocumentFragment()
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this[0].childNodes
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.forEach(function(node){
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original_dom.appendChild(node.cloneNode(true)) })
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var resetOriginal = function(){
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//that.text(original_text)
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that[0].innerHTML = ''
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that[0].appendChild(original_dom.cloneNode(true)) }
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this.prop('contenteditable', true)
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options.activate
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&& options.clear_on_edit
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// XXX this for some reason breaks on click...
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&& this.text('')
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// NOTE: this will also focus the element...
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options.activate
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&& this.selectText()
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// do not setup handlers more than once...
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if(!this.hasClass('editable-field')){
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var events = {}
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this
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// make the element focusable and selectable...
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.attr('tabindex', '0')
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.addClass('editable-field')
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.keydown(events.keydown = function(in_evt){
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var evt = window.event || in_evt
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if(!that.prop('contenteditable')){
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return }
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evt.stopPropagation()
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var c = getCaretOffset(this)
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var collapsed = selectionCollapsed(this)
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var n = keyboard.code2key(evt.keyCode)
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// abort...
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if((options.abort_keys || []).indexOf(n) >= 0){
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that.trigger('edit-abort', original_text)
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// done -- single line...
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} else if(n == 'Enter'
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&& !options.multiline){
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evt.preventDefault()
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that.trigger('edit-commit',
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that.length == 1 ?
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that[0].innerText
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: that.toArray().map(function(e){ return e.innerText }))
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// done -- multi-line...
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} else if(options.multiline
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&& n == 'Enter'
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&& (options.accept_on_enter ?
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!(evt.ctrlKey || evt.shiftKey || evt.metaKey)
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: (evt.ctrlKey || evt.shiftKey || evt.metaKey)) ){
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evt.preventDefault()
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that.trigger('edit-commit',
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that.length == 1 ?
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that[0].innerText
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: that.toArray().map(function(e){ return e.innerText }))
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// multi-line keep keys...
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} else if(options.multiline
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&& options.accept_on_enter ?
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(n == 'Enter'
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&& (evt.ctrlKey || evt.shiftKey || evt.metaKey))
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: n == 'Enter'){
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return
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// multi-line arrow keys -- keep key iff not at first/last position...
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} else if(options.multiline
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&& n == 'Up'
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&& (c > 0 || !collapsed)){
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return
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} else if(options.multiline
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&& n == 'Down'
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&& (c < $(this).text().length || !collapsed)){
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return
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} else if(n == 'Up' || n == 'Down'){
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evt.preventDefault()
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that.trigger('edit-commit',
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that.length == 1 ?
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that[0].innerText
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: that.toArray().map(function(e){ return e.innerText }))
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// continue handling...
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} else if(options.propagate_unhandled_keys){
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// NOTE: jQuery can't reuse browser events, this
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// we need to pass a jq event/proxy here...
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$(this).parent().trigger(in_evt || evt) }
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})
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.blur(events.blur = function(){
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window.getSelection().removeAllRanges() })
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.on('focus click', events['focus click'] = function(evt){
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evt.stopPropagation()
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options.clear_on_edit
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&& $(this)
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.text('')
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.selectText() })
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// user triggerable events...
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.on('edit-abort', events['edit-abort'] = function(evt, text){
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that.trigger('edit-aborting', text)
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options.clear_selection_on_abort
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&& window.getSelection().removeAllRanges()
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// reset original value...
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options.reset_on_abort
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&& resetOriginal()
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options.blur_on_abort
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&& this.blur()
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// restore focus on parent...
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options.keep_focus_on_parent
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&& that.parents('[tabindex]').first().focus()
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options.reset_on_done
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&& that.makeEditable(false) })
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.on('edit-commit', events['edit-commit'] = function(evt, text){
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that.trigger('edit-committing', text)
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options.clear_selection_on_commit
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&& window.getSelection().removeAllRanges()
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// reset original value...
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options.reset_on_commit
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&& resetOriginal()
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options.blur_on_commit
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&& this.blur()
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// restore focus on parent...
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options.keep_focus_on_parent
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&& that.parents('[tabindex]').first().focus()
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options.reset_on_done
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&& that.makeEditable(false) })
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this.data('editable-field-events', events) }
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return this }
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|
|
}
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/**********************************************************************
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|
* vim:set ts=4 sw=4 : */ return module })
|
