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{ IJSModule } from \"./IJSModule.js\";\r\n\r\nexport class TelerikEditorHelpers implements IJSModule {\r\n    //IJSService\r\n    public serviceName: string;\r\n\r\n    private componentInstanceObj = null;\r\n\r\n    public initialize(): boolean {\r\n        this.serviceName = 'TelerikEditorHelpers';\r\n\r\n        window['TelerikEditorHelpers'] = this;\r\n\r\n        return true;\r\n    }\r\n\r\n    public passComponentInstance(obj: object) {\r\n        this.componentInstanceObj = obj;\r\n    }\r\n\r\n    private getContentEditableContainer(containerId: string): HTMLElement {\r\n        let containerEl = document.getElementById(containerId);\r\n        let contentContainer = null;\r\n\r\n        if (containerEl != null && containerEl != undefined) {\r\n            let containers = containerEl.getElementsByClassName('k-content');\r\n            if (containers != null && containers != undefined && containers.length > 0) {\r\n                contentContainer = containers[0];\r\n            }\r\n        }\r\n\r\n        return contentContainer;\r\n    }\r\n\r\n    public getCaretPosition(containerId: string): number {\r\n        let contentContainer = this.getContentEditableContainer(containerId);\r\n\r\n        let caretOffset = -1;\r\n\r\n        if (contentContainer != null) {\r\n            //TODO: VM - to refactor code below. \"Node's stepper\" has to be moved to separate method or anonymous func\r\n            if (window.getSelection && window.getSelection().getRangeAt) {\r\n                let selectedObj = window.getSelection();\r\n                let range = selectedObj.getRangeAt(0);\r\n                let rangeCount = 0;\r\n\r\n                let anchorNode = selectedObj.anchorNode as HTMLElement;\r\n                let anchorParentNode = anchorNode.parentNode as HTMLElement;\r\n\r\n                if (anchorParentNode != contentContainer && anchorParentNode.outerHTML) {\r\n                    rangeCount += anchorParentNode.outerHTML.split('>')[0].length + 1;\r\n                }\r\n\r\n                if (anchorParentNode == contentContainer && anchorNode.outerHTML) {\r\n                    rangeCount += anchorNode.outerHTML.split('>')[0].length + 1;\r\n                }\r\n\r\n                let childNodes = anchorParentNode.childNodes;\r\n                for (let i = 0; i < childNodes.length; i++) {\r\n                    let child = childNodes[i] as HTMLElement;\r\n                    if (child == anchorNode) {\r\n                        break;\r\n                    }\r\n                    if (child.outerHTML) {\r\n                        rangeCount += child.outerHTML.length;\r\n                    }\r\n                    else if (child.nodeType == 3) {\r\n                        rangeCount += child.textContent.length;\r\n                    }\r\n                }\r\n\r\n                let pNode = anchorParentNode as Node;\r\n                let container;\r\n                while (pNode != null && pNode != contentContainer) {\r\n                    container = pNode;\r\n                    pNode = pNode.parentNode;\r\n\r\n                    let childNodes = pNode.childNodes;\r\n\r\n                    for (let i = 0; i < childNodes.length; i++) {\r\n                        let child = childNodes[i] as HTMLElement;\r\n\r\n                        let pNodeOpeningTagLength = 0;\r\n                        if (i == 0 && pNode != contentContainer) {\r\n                            let anchorPP = pNode as HTMLElement;\r\n                            if (anchorPP && anchorPP.outerHTML) {\r\n                                pNodeOpeningTagLength = anchorPP.outerHTML.split('>')[0].length + 1;\r\n                            }\r\n                        }\r\n\r\n                        if (child == container || child == anchorParentNode) {\r\n                            if (child == container) {\r\n                                rangeCount += pNodeOpeningTagLength;\r\n                            }\r\n                            break;\r\n                        }\r\n                        if (child.outerHTML) {\r\n                            rangeCount += child.outerHTML.length;\r\n                        }\r\n                        else if (child.nodeType == 3) {\r\n                            rangeCount += child.textContent.length;\r\n                        }\r\n\r\n                        rangeCount += pNodeOpeningTagLength;\r\n                    }\r\n                }\r\n\r\n                return range.startOffset + rangeCount;\r\n            }\r\n        }\r\n\r\n        return caretOffset;\r\n    }\r\n\r\n    public setCaretPosition(containerId: string, nodeId: string): void {\r\n        let contentContainer = this.getContentEditableContainer(containerId);\r\n\r\n        if (contentContainer != null) {\r\n            if (this.componentInstanceObj) {\r\n                this.componentInstanceObj.invokeMethodAsync('DraftMessageUpdateUI').then(() => {\r\n                    contentContainer.focus();\r\n\r\n                    let containerEl = document.getElementById(nodeId);\r\n\r\n                    if (containerEl != null && containerEl != undefined) {\r\n                        if (window.getSelection && window.getSelection().getRangeAt) {\r\n                            let range = document.createRange();\r\n                            let sel = window.getSelection();\r\n\r\n                            let siblings = containerEl.parentNode.childNodes;\r\n                            let nodeNdx = Array.prototype.indexOf.call(siblings, containerEl);\r\n\r\n                            //VM - increased for 1 more for buffer span. Remove after clearFormatting will be fixed\r\n                            range.setStartAfter(siblings[nodeNdx + 1]);\r\n                            range.collapse(true);\r\n\r\n                            sel.removeAllRanges();\r\n                            sel.addRange(range);\r\n\r\n                            this.componentInstanceObj.invokeMethodAsync('DraftMessageCleanFormatting').then();\r\n                        }\r\n                    }\r\n                });\r\n            }\r\n        }\r\n    }\r\n\r\n    public insertUserLinkHTML(id: string, title: string): void {\r\n        if (this.componentInstanceObj && id != null && id.length > 0 && title != null && title.length > 0) {\r\n            this.componentInstanceObj.invokeMethodAsync('DraftMessageInsertUserLinkHTML').then(() => {\r\n                setTimeout(() => {\r\n                    let el = document.getElementById(id);\r\n                    if (el != null && el != undefined) {\r\n                        console.log(title, id);\r\n                        el.setAttribute('link-title', title);\r\n                        el.setAttribute('contenteditable', 'false');\r\n                    }\r\n                });\r\n            });\r\n        }\r\n    }\r\n\r\n    public setUserLinkTitle(id: string, title: string): void {\r\n        if (this.componentInstanceObj && id != null && id.length > 0 && title != null && title.length > 0) {\r\n            let el = document.getElementById(id);\r\n            if (el != null && el != undefined) {\r\n                el.setAttribute('link-title', title);\r\n                this.componentInstanceObj.invokeMethodAsync('DraftMessageUpdateUI').then();\r\n            }\r\n        }\r\n    }\r\n}\r\n"]}