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* as $ from \"jquery\";\r\nimport * as ko from \"knockout\";\r\nimport * as _ from \"underscore\";\nimport * as localisationHelper from 'localisationHelper';\r\n\r\n// Services\nimport { ConfigurableTextService } from \"Scripts/ts/Localisation/ConfigurableTextService\";\r\n\r\nexport const Deps = {\r\n    LocalisationHelper: localisationHelper\r\n};\r\n\r\nclass AccessibilityBindings {\r\n    constructor() {\r\n\r\n        const AriaLabelAttribute = \"aria-label\";\r\n\r\n        ko.bindingHandlers.contentVisible = {\r\n            update: (element: any, valueAccessor: any) => {\r\n                const shouldDisplayContainer = ko.utils.unwrapObservable(valueAccessor());\r\n\r\n                const ele = $(element)\r\n                    .attr(\"aria-live\", \"polite\")\r\n                    .attr(\"aria-hidden\", shouldDisplayContainer ? \"false\" : \"true\");\r\n\r\n                if (shouldDisplayContainer) {\r\n                    $(ele).show();\r\n                } else {\r\n                    $(ele).hide();\r\n                }\r\n            }\r\n        };\n\n        // Source:      https://www.w3.org/TR/wai-aria/#aria-hidden\n        ko.bindingHandlers.ariaHidden = {\n            update: (element: any, valueAccessor: any) => {\n                $(element).attr(\"aria-hidden\", ko.utils.unwrapObservable(valueAccessor()));\n            }\n        };\n\n        // Source:      https://www.w3.org/TR/wai-aria/#aria-disabled\n        ko.bindingHandlers.ariaDisabled = {\n            update: (element: any, valueAccessor: any) => {\n                const value = ko.utils.unwrapObservable(valueAccessor());\n                $(element).attr(\"aria-disabled\", value);\n            }\n        };\n\n        // Source:      https://www.w3.org/TR/wai-aria/#aria-readonly\n        ko.bindingHandlers.ariaReadOnly = {\n            update: (element: any, valueAccessor: any) => {\n                const value = ko.utils.unwrapObservable(valueAccessor());\n                $(element).attr(\"aria-readonly\", value);\n            }\n        };\n\n        // Source:      https://www.w3.org/TR/wai-aria/#aria-required\n        ko.bindingHandlers.ariaRequired = {\n            update: (element: any, valueAccessor: any) => {\n                const value = ko.utils.unwrapObservable(valueAccessor());\n                $(element).attr(\"aria-required\", value);\n            }\n        };\n\n        // Source:      https://www.w3.org/TR/wai-aria/#aria-invalid\n        ko.bindingHandlers.ariaInvalid = {\n            update: (element: any, valueAccessor: any) => {\n                const value = ko.utils.unwrapObservable(valueAccessor());\n                $(element).attr(\"aria-invalid\", value);\n            }\n        };\n\n        // Source:      https://www.w3.org/TR/wai-aria/#aria-describedby\n        ko.bindingHandlers.ariaDescribedBy = {\n            update: (element: any, valueAccessor: any) => {\n                const value = ko.utils.unwrapObservable(valueAccessor());\n                $(element).attr(\"aria-describedby\", value);\n            }\n        };\n\n        ko.bindingHandlers.ariaDescription = {\n            update: (element: any, valueAccessor: any) => {\n                const value = ko.utils.unwrapObservable(valueAccessor());\n                $(element).attr(\"aria-description\", value);\n            }\n        };\n\n        // Source:      https://www.w3.org/TR/wai-aria/#aria-labelledby\n        ko.bindingHandlers.ariaLabelledBy = {\n            update: (element: any, valueAccessor: any) => {\n                const value = ko.utils.unwrapObservable(valueAccessor());\n                $(element).attr(\"aria-labelledby\", value);\n            }\n        };\n\n        // Source:      https://www.w3.org/TR/wai-aria-practices-1.1/examples/breadcrumb/index.html\n        ko.bindingHandlers.ariaCurrent = {\n            update: (element: any, valueAccessor: any) => {\n                const value = ko.utils.unwrapObservable(valueAccessor());\n                if (value != null && value != undefined && value) {\n                    $(element).attr(\"aria-current\", \"page\");\n                }\n            }\n        };\n\r\n        // Source:      https://www.w3.org/TR/wai-aria/#aria-label\n        // Purpose:     Retrieves resource content\n        ko.bindingHandlers.locAriaLabel = {\n            update: (element: any, valueAccessor: any, allBindingsAccessor: any) => {\n                const allBindings = allBindingsAccessor();\n\n                if (allBindings.locAriaLabel.ResourceName == null) {\n                    // Note: Do not use this version, it will eventually be removed as soon as the resources\n                    // have been moved into the new structure.\n                    const value = this.localisationFunction(valueAccessor, allBindingsAccessor);\n                    $(element).attr(AriaLabelAttribute, value);\n                } else {\n                    const resourceName = allBindings.locAriaLabel.ResourceName;\n                    const section = allBindings.SectionName || \"AccessibilityResources\";\n\n                    $(element).attr(AriaLabelAttribute,\n                        localisationHelper.getString(section, resourceName) || \"\");\n                }\n            }\n        };\n\n\n        // Purpose:     Retrieves resource content\n        ko.bindingHandlers.locAriaDescription = {\n            update: (element: any, valueAccessor: any, allBindingsAccessor: any) => {\n                const value = this.localisationFunction(valueAccessor, allBindingsAccessor);\n                $(element).attr(\"aria-description\", value);\n            }\n        };\n\n        // Source:      https://www.w3.org/TR/wai-aria/#aria-label\n        // Purpose:     Content has already been retrieve via other means so only needs the container updating\n        ko.bindingHandlers.ariaLabel = {\n            update: (element: any, valueAccessor: any) => {\n                const value = ko.utils.unwrapObservable(valueAccessor());\n                if (value) {\r\n                    $(element).attr(AriaLabelAttribute, value);\n                }\n            }\n        };\n\n        // Source:      https://www.w3.org/TR/wai-aria/#aria-checked\n        ko.bindingHandlers.ariaChecked = {\n            update: (element: any, valueAccessor: any) => {\n                const value = ko.utils.unwrapObservable(valueAccessor());\n                $(element).attr(\"aria-checked\", value);\n            }\n        };\n\n        // Source:      https://www.w3.org/WAI/tutorials/tables/caption-summary/\n        ko.bindingHandlers.accessibilitySummary = {\n            update: (element: any, valueAccessor: any, allBindingsAccessor: any) => {\n                const allBindings = allBindingsAccessor();\n                const resourceName = allBindings.accessibilitySummary.ResourceName;\n                const section = allBindings.accessibilitySummary.SectionName || \"AccessibilityResources\";\n\n                $(element).attr(\"summary\",\n                    localisationHelper.getString(section, resourceName) || \"\");\n            }\n        };\n\n        // Source:      https://www.w3.org/TR/wai-aria/#aria-controls\n        ko.bindingHandlers.ariaControls = {\n            update: (element: any, valueAccessor: any) => {\n                const value = ko.utils.unwrapObservable(valueAccessor());\n                $(element).attr(\"aria-controls\", value);\n            }\n        };\n\n        ko.bindingHandlers.containerReadOnly = {\n            update: (element: any, valueAccessor: any) => {\n                const value = ko.utils.unwrapObservable(valueAccessor());\n                $(element).attr(\"readonly\", value);\n            }\n        };\n\n        ko.bindingHandlers.containerDisabled = {\n            update: (element: any, valueAccessor: any) => {\n                const value = ko.utils.unwrapObservable(valueAccessor());\n                $(element).attr(\"disabled\", value);\n            }\n        };\n\n        // Note: If you're using this binding, you should ensure the text is already translated in the\n        //       calling component.\n        ko.bindingHandlers.containerTitle = {\n            update: (element: any, valueAccessor: any) => {\n                const value = ko.utils.unwrapObservable(valueAccessor());\n                $(element).attr(\"title\", value);\n            }\n        };\r\n    }\n\n    private displayBlankResponse(section: string) {\n        return section === 'Macro';\n    }\r\n\r\n    private localiseText(valueAccessor: any, allBindingsAccessor: any) {\n        const value = ko.utils.unwrapObservable(valueAccessor());\n        const allBindings = allBindingsAccessor();\n        const section = allBindings.section || 'Resources';\n        const errorParams = allBindings.locparams || null;\n\n        let output = 'NOT_LOCALISED';\n        if (value !== undefined && value !== null && value.length > 0) {\n            if (section === 'Macro') {\n                // go to the new macro endpoint\n                output = ConfigurableTextService.RetrieveTextSync(value);\n            }\n            else {\n                output = localisationHelper.getString(section, value);\n            }\n\n            if (!output) {\n                // Note: If a macro was provided as the resource and that returns null then try and fallback to a\n                //       different resource. If that returns null then leave as 'NOT_LOCALISED'\n                if (allBindings.defaultValue != null) {\n                    const defaultSection = allBindings.defaultValue.section || 'Resources';\n                    output = localisationHelper.getString(defaultSection, allBindings.defaultValue.loctext);\n                }\n\n                if ((output == null || output === '') && this.displayBlankResponse(section)) {\n                    output = '';\n                } else {\n                    output = output || 'NOT_LOCALISED';\n                }\n            } else if (errorParams !== null) {\n\n                errorParams.foreach((element: any, index: number) => {\n                    output = output.replace(`{${index}}`, element);\r\n                })\n            }\n        }\n\n        return output;\n    }\n\n    private localisationFunction(valueAccessor: any, allBindingsAccessor: any) {\n        const output = this.localiseText(valueAccessor, allBindingsAccessor);\n\n        return output.replace('{0}', ko.unwrap(allBindingsAccessor().locvalue));\n    }\r\n}\r\n\r\nconst service = new AccessibilityBindings();\r\nexport { service as AccessibilityBindings };"]}