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You can use this to display # a more wordy & helpful description of this attribute. Get's applied as the title attribute # of our label element. Can also be specified via metadata. # # Ignored if props.label or metadata label does not exist or are both null. # # Uses ReactBootstrap if provided. See [ReactDatum.Options](#Options) below. tooltip: React.PropTypes.string # optional value or component to display if model.get(attr) returns null or undefined # Can also be specified via metadata placeholder: React.PropTypes.node # 'readonly' = render for display; # 'edit' = render for input; # 'inlineEdit' = datum will transition from readonly to edit on click inputMode: React.PropTypes.oneOf(['readonly', 'edit', 'inlineEdit']) # getMetadata is an optional function that will be called to retrieve the props above where # metadata support is indicated. The getMetadata method is passed the following # arguments: # (prop, datumInstance) # where `prop` is the datum prop for which metadata is being requested. `datumInstance` is a reference # to the datum component instance. You can use the documented API methods on datumInstance, such # as getModel() to get the model associated with datumInstance, add datumInstance.props.attr to # get the associated attr. # # In addition to this prop, which has first precedence, ReactDatum will also look for a # getDatumMetadata method on the model instance and, if found, call it with the same arguments # to acquire the label, tooltip, placeholder and any other props supported by metadata. # See [discussion and example above on model driven metadata](#metadata). getMetadata: React.PropTypes.func # set to true to not render a popover on ellipsized values noPopover: React.PropTypes.bool # props for ReactBootstrap Overlay used for popovers if React Bootstrap is available. # The rbOverlayProps prop has precedence over the 'rbOverlayProps' you can specify # via global options rbOverlayProps: React.PropTypes.object # set to true to set the model value on change. this defaults to true if inputMode = inlineEdit setOnChange: React.PropTypes.bool # set to true to set model value when the input is blurred setOnBlur: React.PropTypes.bool # set to true to save the model whenever it's attribute value is set by this Datum saveOnSet: React.PropTypes.bool # set to the name of the method on model to use to save (typically 'save', but could be 'patch') # Note that the model save method is expected to accept (attributesToSet, options) in accordance # with the Backbone Model.save arguments. See also modelSaveOptions which allows you to # specify additional options passed as the second argument. # # Requires saveOnSet={true} modelSaveMethod: React.PropTypes.string # this prop is passed to modelSaveMethod (eg. `model.save({}, modelSaveOptions)`) # # Requires saveOnSet={true} modelSaveOptions: React.PropTypes.object # (ms) set the length of time 'saved' css class stays on outer datum element after saving savedIndicatorTimeout: React.PropTypes.number # make this input readonly regardless of context or inputMode prop readonly: React.PropTypes.bool # make this input required and give it required class and invalid class when invalid required: React.PropTypes.bool # style to apply to outer datum div style: React.PropTypes.object # if true, renders a div as the component wrapper asDiv: React.PropTypes.bool # call back for when the datum changes onChange: React.PropTypes.func # value to use instead of model attribute. You can use this instead of a model and attr to manually set # the initial value of the component. Model value is ignored for display, but still updated if in an # editable state value: React.PropTypes.node @defaultProps: # no default for inputMode because we can also get from context, see @getInputMode() # inputMode: 'readonly' setOnBlur: true setOnChange: false saveOnSet: false modelSaveMethod: 'save' savedIndicatorTimeout: 5000 @contextTypes: # can also accept model instance as a prop. prop has precendence model: React.PropTypes.oneOfType([ React.PropTypes.instanceOf(Backbone.Model) React.PropTypes.object ]) # note that the readonly prop takes precendence inputMode: React.PropTypes.oneOf(['readonly', 'edit', 'inlineEdit']) # if there is a form context, we will register with it so that it can # interact with us form: React.PropTypes.object # override this to give the sub component an additional class subClassName: null # don't override this unless you dont want the datum class on the wrapper div className: 'datum' # this get's set to the inline edit control that is currently in editmode. # there can only be one inlineEdit type editing at a time per page @inlineEditor: null # see addValidations below validations: [] constructor: (props) -> super props @initializeState() @addValidations @validateRequired initializeState: -> @state = { # don't initialize state.value until our first on changed for # faster isDirty determination #value: @getModelValue() errors: [] isDirty: false saving: false saved: null } #..................................................React life cycle methods........................................... componentWillMount: -> @initializeState() componentDidMount: -> # note that we don't need a form to work. this is for it's benefit, mostly # so it can ask us if we are valid (via @validate() method) and tell us # when the user cancels the update (via @reset() method) @context?.form?.addDatum?(@) modelValue = @getModelValue() # for click off and esc to cancel inline edit document.addEventListener 'click', @onDocumentClick document.addEventListener 'keydown', @onDocumentKeydown ### !pragma coverage-skip-next ### componentWillReceiveProps: (nextProps) -> prevModelValue = @getModelValue(@props) newModelValue = @getModelValue(nextProps) if JSON.stringify(prevModelValue) != JSON.stringify(newModelValue) @setState({ value: newModelValue }) ### !pragma coverage-skip-next ### componentWillUnmount: -> @context?.form?.removeDatum?(@) # you can unmount without bluring save state value to # model if it exists if @isDirty() && @shouldSetOnBlur() @setValue(@state.value, setModelValue: true) # for click off and esc to cancel inline edit document.removeEventListener 'click', @onDocumentClick document.removeEventListener 'keydown', @onDocumentKeydown # Rendering methods render: -> @renderDatumWrapper => if @isEditing() @renderForInput() else @renderForDisplay() renderDatumWrapper: (contentFn)-> wrapperProps = className: @getFullClassName() 'data-zattr': @getAttr() style: @props.style || {} if @props.asDiv <div {... wrapperProps}> {contentFn()} </div> else <span {... wrapperProps}> {contentFn()} </span> renderForDisplay: -> <span> {@renderLabel()} {@renderValueOrPlaceholder()} {@renderIcons()} </span> renderLabel: -> labelProps = {} tooltip = @getPropOrMetadata('tooltip') label = if @getPropOrMetadata('label')? @renderWithPopover(<label {... labelProps}>{@getPropOrMetadata('label')}</label>, tooltip, 'datumTooltip', 'datum-tooltip') else null return label ### Override this method only if you need to not render the placeholder. ### renderValueOrPlaceholder: -> if @getModelValue()? displayValue = @renderValueForDisplay() @renderWrappedDisplayValue(displayValue) else placeholderValue = @renderPlaceholder() @renderWrappedDisplayValue(placeholderValue) ### In most cases, this is the method you want to override in a custom datum to alter the way the model attribute is displayed when inputMode='readonly' This method is only called if the model value is not null. ### renderValueForDisplay: -> return @getValueForDisplay() renderWrappedDisplayValue: (value)-> <span className="datum-display-value" onClick={@onEditClick} style={@props.style}>{value}</span> renderPlaceholder: -> placeholder = @getPropOrMetadata('placeholder') return null unless placeholder? <span className="placeholder">{placeholder}</span> ### Note that this method is not called by Datum directly. It is provided here in the Datum base class so that any Datum extensions can ellipsize whatever part of their rendering neccessary and have a consistent prop and method for doing so. ### renderEllipsizedValue: (value, options={}) -> Ireturn value unless value? ellipsizeAt = @getEllipsizeAt() # don't try to ellipsize unless the value is a string, subclass may have sent us # a value that is a react component. this still doesn't catch the case where # a subclass component sent us HTML as a string. Why would you? if ( value && _.isString(value) && ellipsizeAt && value.length > ellipsizeAt ) # If the option is 'reverseEllipsis' then we need to add ... at the start. Iif @props.reverseEllipsis ellipsizedValue = '...' + value.slice(value.length-(ellipsizeAt-3), value.length - 1) else ellipsizedValue = value.slice(0, ellipsizeAt-3) + '...' return @renderWithPopover(ellipsizedValue, value, 'datumEllipsizedValue', 'datum-ellipsized') return value renderForInput: -> <span className="datum-input" data-value={@getValueForInput()}> {@renderLabel()} {@renderInput()} {@renderIcons()} </span> ### In most cases this is the method you want to override to alter the presentation of the datum when inputMode='edit'. If you override this method, be sure to add @onBlur() and @onChange() to your input component ### renderInput: -> <input {... @getInputComponentOptions()}/> ### Override / extend this method to add or alter icons presented after datum. Datum implementation renders the error icon if needed. ### renderIcons: -> return null unless @state.errors.length > 0 errors = [] className = "error validation" errorIconClass = Options.get('errorIconClass') errorIcon = Iif errorIconClass? <i className={errorIconClass}/> else '!' errors = @renderErrors() return @renderWithPopover(errorIcon, errors, 'datumInvalid', 'datum-invalid') ### Override / extend this method to control what is rendered in the error icon popup ### renderErrors: -> errors = [] # multiple errors should be on their on line # if we are using ReactBootstrap, format the error messages with HTML Iif @getReactBootstrap()? && !@props.noPopover errors.push(<div>{error}</div>) for error in @state.errors else errors = @state.errors.join('\n') return errors ### You can use this to render a value with the standard popover treatment or extend and override to effect the standard popover treatment ### renderWithPopover: (value, tooltip, popoverId, valueClass) -> ### !pragma coverage-skip-block ### return value unless tooltip? # if available globally or user called ReactDatum.set('ReactBootstrap', someLib) Rb = @getReactBootstrap() # if react-bootstrap is available use it Iif Rb? && !@props.noPopover popover = <Rb.Popover id={popoverId}>{tooltip}</Rb.Popover> rbOverlayProps = @getRbOverlayProps(value, popoverId) rValue = ( <Rb.OverlayTrigger overlay={popover} {... rbOverlayProps} > <span className={valueClass}>{value}</span> </Rb.OverlayTrigger> ) else rValue = <span className={valueClass} title={tooltip}>{value}</span> return rValue ### Override this method to provide things like custom positioning of error popovers ### getRbOverlayProps: (value, popoverId) -> ### !pragma coverage-skip-block ### return @props.rbOverlayProps ? Options.get('RbOverlayProps') ### This method can be overriden to provide custom determination of dirty state. dirty meaning, has the input value changed. The base implementation assumes that the base behavior of setting state.value to null on model.set() happens. ### isDirty: () -> return @state.isDirty ### This method is called to determine if the inputMode (prop, context) is one of the editable types. ('edit' or 'inlineEdit') Note that a return of true does NOT indicate that the Datum is in its edit display. If the component is an inputMode='inlineEdit', in may be showing it's display presentation. See also isEditing() ### isEditable: -> inputMode = @getInputMode() return true if inputMode in ["edit", "inlineEdit"] ### This method is called to determine if the Datum is displaying its input presentation. ### isEditing: -> inputMode = @getInputMode() return inputMode == 'edit' || (@isInlineEdit() && @constructor.inlineEditor == @) isInlineEdit: -> @getInputMode() == 'inlineEdit' cancelEdit: () -> @setState { errors: [], value: @getModelValue() } ### When extending Datum, use @addValidations from constructor to add additional validations. 'required' validation is automatically added (only invalid if empty and has 'required' prop) For example, see [Number datum](#Number) You can add validations to an individual instance of any Datum extension. `validations` argument should be one or an array of methods that accept the (value) to validate and return true if valid, false if not. ### addValidations: (validations) => validations = [validations] unless _.isArray(validations) @validations = @validations.concat validations getInputMode: () -> Ireturn "readonly" if @props.readonly return @props.inputMode || @context.inputMode || "readonly" getInputComponentOptions: () -> placeholder = @getPropOrMetadata('placeholder') || "" value = @getValueForInput() return { type: "text" placeholder: placeholder value: value onChange: @onChange onBlur: @onBlur onKeyDown: @onInputKeyDown ref: @onInputRef } ### This method should return the value for display from the model. You can extend this method in a custom Datum to coerce or manipulate just the value used for display. In most cases, you'll probably want to extend the Datum.renderValueForDisplay() instead ### getValueForDisplay: () -> return @getModelValue() ### Extend this method to coerce or intepret the value from the model that is displayed when in input ### getValueForInput: () -> #console.log "Datum::getValueForInput", @state.value, @getModelValue(), JSON.stringify({value: @state.value}) return if @state.value? then @state.value else @getModelValue() ### this method returns the value in the input as seen by user ### getInputValue: () -> return @state.value ### returns the Backbone Model currently associated with the datum. ### getModel: (newProps = @props, newContext = @context)-> return newProps?.model || newContext?.model || new Backbone.Model() ### Returns the value set via value prop or the value currently set on the model warning: Do not override this method to return a component element or jsx; bad things will happen. ### getModelValue: (newProps = @props, newContext = @context)-> if newProps.value != undefined return @state.shadowValue || newProps.value Ireturn null unless model = @getModel(newProps, newContext) value = Eif _.isFunction(model.get) model.get(@getAttr(newProps)) else model[@getAttr(newProps)] return value ### When extending react datum, use this method to get the attribute name specified to the component as props.attr. You can also override this method in an extension to dynamically select the attribute to get from the model. For say an international price datum that selects a price attribute based on the local currency (not a contrived example) ### getAttr: (props = @props) -> return props.attr ### Extend this model to interpret the value prior to saving for example a Percent datum that the user enters a value that is 100x what gets saved to model options pass through to model.set() ### setModelValue: (value, options={}) -> # allow for null value Iif value == undefined value = @getInputValue() # value == undefined means the user didn't change it return if value == undefined model = @getModel() attr = @getAttr() Eif model? Eif _.isFunction(model.set) model.set(attr, value, options) else model[attr] = value @saveModel() if @props.saveOnSet || options.saveOnset # if we were provided a value in a prop and the datum allowed a change to it, # then we need to return that value in getModelValue if @props.value != undefined @setState shadowValue: value saveModel: -> model = @getModel() Ireturn unless model? Eif _.isFunction(model[@props.modelSaveMethod]) @setState saving: true, => model[@props.modelSaveMethod]({}, @getModelSaveOptions()) else console.error "Datum:setModelValue - saveOnSet true but modelSaveMethod (#{@props.modelSaveMethod}) is not a function on model" getModelSaveOptions: -> saveOptions = _.extend {}, @props.modelSaveOptions originalSuccess = saveOptions.success originalError = saveOptions.error saveOptions.success = (model, resp)=> @onModelSaveSuccess(model, resp) originalSuccess?(model, resp, @) saveOptions.error = (model, resp)=> @onModelSaveError(model, resp) originalError?(model, resp, @) return saveOptions getEllipsizeAt: -> return @props.ellipsizeAt ### Override / extend this method to add conditional css classes to the outer datum element ### getFullClassName: -> className = if @subClassName? then "#{@className} #{@subClassName}" else @className className += " required" if @props.required className += " invalid" if @state.errors.length > 0 className += " saving" if @state.saving # ignore null value in state.saved IclassName += " not-saved" if @state.saved == false className += " saved" if @state.saved == true IclassName += " #{@props.className}" if @props.className? return className getPropOrMetadata: (prop) -> unless @props[prop] == undefined return @props[prop] return @props.getMetadata?(prop, @) || @getModel()?.getDatumMetadata?(prop, @) || undefined getReactBootstrap: -> # if available globally or user called ReactDatum.set('ReactBootstrap', someLib) return Options.get('ReactBootstrap') || window?.ReactBootstrap shouldSetOnChange: -> @props.setOnChange == true || (@isInlineEdit() && !@props.setOnChange == false) shouldSetOnBlur: -> @props.setOnBlur == true && !@shouldSetOnChange() && !@props.multi onEditClick: (synthEvent) => Eif @inlineToEditMode() # ...if it's an inlineEdit synthEvent.stopPropagation() synthEvent.nativeEvent?.stopImmediatePropagation?() onChange: (event, options = {}) => options = _.defaults options, silent: false event: event #options are passed through to props.onChange # this can be set to another value to send to the @props.onChange handler # see CollectionPicker#onChange propsOnChangeValue: null # NOTE: don't assume that event arg contains anything more than # target.value. Some wrapped components like react-select don't # provide the synth event on change value = if event?.target?.value? then event?.target?.value else event @setValue(value, setModelValue: @shouldSetOnChange()) if @shouldSetOnChange() @inlineToDisplayMode() # only happens if this is the inline editor # it should be very rare that options.silent is used Iif @props.onChange? and !options.silent @props.onChange(options.propsOnChangeValue||value, @, options) # onChange above captures the value in state. # onBlur only sets the value on the model with the current state value, and # only if state value is not null onBlur: (event) => value = @getInputValue() return unless @hasInputValueChanged() @setValue(value, setModelValue: @shouldSetOnBlur()) # if inline edit should get back to display mode. @inlineToDisplayMode() onModelSaveSuccess: (model, resp) => @setState saving: false, saved: true # this can be styled to 'flash' the color or temporarily show the components # as recently saved Eif @props.savedIndicatorTimeout? _.delay (=> @setState saved: null), @props.savedIndicatorTimeout onModelSaveError: (model, resp) => errors = @state.errors || [] errors.push "Unable to save value. Error: " + (resp.responseText ? resp.statusText ? resp) @setState saving: false, saved: false, errors: errors # we also populate errors which will change this to an error icon if @props.savedIndicatorTimeout? _.delay => @setState saved: null , @props.savedIndicatorTimeout onDocumentClick: (evt) => Eif @isInlineEdit() && @isEditing() && !@isElementOrParentOf(evt.target, ReactDOM.findDOMNode(this)) @inlineToDisplayMode() onDocumentKeydown: (evt) => if evt.keyCode == 27 && @isInlineEdit?() && @isEditing?() # escape to close edit @inlineToDisplayMode() isElementOrParentOf: (elementInQuestion, parentElement) -> el = elementInQuestion while el? Ireturn true if el == parentElement el = el.parentElement return false hasInputValueChanged: -> inputValue = @getInputValue() # inputValue comes from state.value which is not set until the user makes a change return inputValue != undefined && inputValue != @getModelValue() inlineToDisplayMode: () -> return false unless @isInlineEdit() Eif @constructor.inlineEditor == @ @constructor.inlineEditor = null @forceUpdate() return true inlineToEditMode: () -> Ireturn false unless @isInlineEdit() if @constructor.inlineEditor? @constructor.inlineEditor.inlineToDisplayMode() @constructor.inlineEditor = @ @forceUpdate() _.defer => @focus() return true onInputKeyDown: (event) => @props.onKeyDown?(event) # sets the value of the datum (display and input text) setValue: (newValue, options={}) => options = _.defaults options, # causes the new value to be set on the model too setModelValue: false valid = @validate(newValue) if options.setModelValue @setModelValue(newValue, options) @setState({isDirty: false}) else @setState({isDirty: true}) @setState({value: newValue}) ### This method can be used to get at the inner input component if one exists, only while inputMode=='edit' ### getInputComponent: () => @inputComponent onInputRef: (input) => @inputComponent = input focus: () => Eif @getInputComponent()? node = ReactDOM.findDOMNode(@getInputComponent()) node.focus() node.select() ### This method is called to validate the value in the input. Note that validations such as props.required also need to apply if the user hasn't changed the input, so the default value is the coalesce of state.value or model value. state.value (see getInputValue()) is null if the user has not made changes. ### validate: (value=@getValueForInput())-> @setState errors: [] errors = [] for validation in @validations valid = validation(value) unless valid == true errors.push valid @setState errors: errors return errors.length == 0 # Jut comment validateRequired: (value) => # Check for value only if the element is visible and has required class. If not return true return true unless @props.required return true if !(_.isNull(value) || _.isEmpty(value) || _.isUndefined(value)) return "This input is required" ### This method can be used to clear any validation or save errors manually ### clearErrors: -> @setState errors: [] |