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Merge pull request wikimedia#4711 from wikimedia/native-editor-links-…
…images Native Editor - Add link and image support
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107 changes: 107 additions & 0 deletions
107
...ditors/Source Editor/Formatter Extensions/WKSourceEditorFormatterLink+ButtonActions.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| import Foundation | ||
| import ComponentsObjC | ||
|
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| enum WKSourceEditorFormatterLinkButtonAction { | ||
| case edit | ||
| case insert | ||
| } | ||
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| public struct WKSourceEditorFormatterLinkWizardParameters { | ||
| public let editPageTitle: String? | ||
| public let editPageLabel: String? | ||
| public let insertSearchTerm: String? | ||
| let preselectedTextRange: UITextRange | ||
| } | ||
|
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| extension WKSourceEditorFormatterLink { | ||
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| func linkWizardParameters(action: WKSourceEditorFormatterLinkButtonAction, in textView: UITextView) -> WKSourceEditorFormatterLinkWizardParameters? { | ||
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| switch action { | ||
| case .edit: | ||
| expandSelectedRangeUpToNearestFormattingStrings(startingFormattingString: "[[", endingFormattingString: "]]", in: textView) | ||
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| guard let selectedTextRange = textView.selectedTextRange, | ||
| let selectedText = textView.text(in: selectedTextRange) else { | ||
| return nil | ||
| } | ||
|
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| let splitText = selectedText.split(separator: "|").map {String($0)} | ||
|
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| switch splitText.count { | ||
| case 1: | ||
| return WKSourceEditorFormatterLinkWizardParameters(editPageTitle: splitText[0], editPageLabel: nil, insertSearchTerm: nil, preselectedTextRange: selectedTextRange) | ||
| case 2: | ||
| return WKSourceEditorFormatterLinkWizardParameters(editPageTitle: splitText[0], editPageLabel: splitText[1], insertSearchTerm: nil, preselectedTextRange: selectedTextRange) | ||
| default: | ||
| return nil | ||
| } | ||
|
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| case .insert: | ||
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| guard let selectedTextRange = textView.selectedTextRange, | ||
| let selectedText = textView.text(in: selectedTextRange) else { | ||
| return nil | ||
| } | ||
|
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| return WKSourceEditorFormatterLinkWizardParameters(editPageTitle: nil, editPageLabel: nil, insertSearchTerm: selectedText, preselectedTextRange: selectedTextRange) | ||
| } | ||
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| } | ||
|
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| func insertLink(in textView: UITextView, pageTitle: String, preselectedTextRange: UITextRange) { | ||
| var content = "[[\(pageTitle)]]" | ||
|
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| guard let selectedText = textView.text(in: preselectedTextRange) else { | ||
| return | ||
| } | ||
|
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| if pageTitle != selectedText { | ||
| content = "[[\(pageTitle)|\(selectedText)]]" | ||
| } | ||
|
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| textView.replace(preselectedTextRange, withText: content) | ||
|
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| if let newStartPosition = textView.position(from: preselectedTextRange.start, offset: 2), | ||
| let newEndPosition = textView.position(from: preselectedTextRange.start, offset: content.count-2) { | ||
| textView.selectedTextRange = textView.textRange(from: newStartPosition, to: newEndPosition) | ||
| } | ||
|
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| } | ||
|
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| func editLink(in textView: UITextView, newPageTitle: String, newPageLabel: String?, preselectedTextRange: UITextRange) { | ||
| if let newPageLabel, !newPageLabel.isEmpty { | ||
| textView.replace(preselectedTextRange, withText: "\(newPageTitle)|\(newPageLabel)") | ||
| } else { | ||
| textView.replace(preselectedTextRange, withText: "\(newPageTitle)") | ||
| } | ||
| } | ||
|
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| func removeLink(in textView: UITextView, preselectedTextRange: UITextRange) { | ||
|
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| guard let selectedText = textView.text(in: preselectedTextRange) else { | ||
| return | ||
| } | ||
|
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| if let markupStartPosition = textView.position(from: preselectedTextRange.start, offset: -2), | ||
| let markupEndPosition = textView.position(from: preselectedTextRange.end, offset: 2), | ||
| let newSelectedRange = textView.textRange(from: markupStartPosition, to: markupEndPosition) { | ||
| textView.replace(newSelectedRange, withText: selectedText) | ||
|
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| if let newStartPosition = textView.position(from: preselectedTextRange.start, offset: -2), | ||
| let newEndPosition = textView.position(from: preselectedTextRange.end, offset: -2) { | ||
| textView.selectedTextRange = textView.textRange(from: newStartPosition, to: newEndPosition) | ||
| } | ||
| } | ||
| } | ||
|
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| func insertImage(wikitext: String, in textView: UITextView) { | ||
|
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| guard let selectedTextRange = textView.selectedTextRange else { | ||
| return | ||
| } | ||
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| textView.replace(selectedTextRange, withText: wikitext) | ||
| } | ||
| } |
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