feat: added editor settings

This commit is contained in:
jideguru 2021-05-31 22:19:49 +01:00
parent 3e38746c0c
commit 666bd5f58a
9 changed files with 461 additions and 131 deletions

208
LICENSE
View File

@ -1,13 +1,201 @@
Copyright 2021 JideGuru Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
Licensed under the Apache License, Version 2.0 (the "License"); TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
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Copyright 2021 JideGuru
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
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Unless required by applicable law or agreed to in writing, software
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View File

@ -65,20 +65,28 @@ class _MyHomePageState extends State<MyHomePage> {
]; ];
}, },
onSelected: (val) async { onSelected: (val) async {
switch(val) { switch (val) {
case 0: { case 0:
String? html = await keyEditor.currentState?.getHtml(); {
print(html); String? html = await keyEditor.currentState?.getHtml();
} break; print(html);
case 1: { }
await keyEditor.currentState?.clear(); break;
} break; case 1:
case 2: { {
await keyEditor.currentState?.unFocus(); await keyEditor.currentState?.clear();
} break; }
case 3: { break;
await keyEditor.currentState?.focus(); case 2:
} break; {
await keyEditor.currentState?.unFocus();
}
break;
case 3:
{
await keyEditor.currentState?.focus();
}
break;
} }
}, },
), ),
@ -86,14 +94,18 @@ class _MyHomePageState extends State<MyHomePage> {
), ),
body: RichEditor( body: RichEditor(
key: keyEditor, key: keyEditor,
value: ''' // value: '''
<h1>Heading 1</h1> // <h1>Heading 1</h1>
<h2>Heading 2</h2> // <h2>Heading 2</h2>
<h3>Heading 3</h3> // <h3>Heading 3</h3>
<h4>Heading 4</h4> // <h4>Heading 4</h4>
<h5>Heading 5</h5> // <h5>Heading 5</h5>
<h6>Heading 6</h6> // <h6>Heading 6</h6>
''', // ''',
placeholder: 'Start typing',
// backgroundColor: Colors.blueGrey,
// baseTextColor: Colors.white,
padding: EdgeInsets.symmetric(horizontal: 50.0),
// You can return a Link (maybe you need to upload the image to your // You can return a Link (maybe you need to upload the image to your
// storage before displaying in the editor or you can also use base64 // storage before displaying in the editor or you can also use base64
getImageUrl: (image) { getImageUrl: (image) {

View File

@ -26,6 +26,7 @@
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33CC11132044BFA00003C045 /* MainFlutterWindow.swift in Sources */ = {isa = PBXBuildFile; fileRef = 33CC11122044BFA00003C045 /* MainFlutterWindow.swift */; }; 33CC11132044BFA00003C045 /* MainFlutterWindow.swift in Sources */ = {isa = PBXBuildFile; fileRef = 33CC11122044BFA00003C045 /* MainFlutterWindow.swift */; };
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@ -54,7 +55,7 @@
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@ -66,8 +67,12 @@
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@ -75,6 +80,7 @@
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files = ( files = (
C9461C47681F0FF10BFACAC7 /* Pods_Runner.framework in Frameworks */,
); );
runOnlyForDeploymentPostprocessing = 0; runOnlyForDeploymentPostprocessing = 0;
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@ -99,6 +105,7 @@
33CEB47122A05771004F2AC0 /* Flutter */, 33CEB47122A05771004F2AC0 /* Flutter */,
33CC10EE2044A3C60003C045 /* Products */, 33CC10EE2044A3C60003C045 /* Products */,
D73912EC22F37F3D000D13A0 /* Frameworks */, D73912EC22F37F3D000D13A0 /* Frameworks */,
42B7EB610A1F9C85B7C623A2 /* Pods */,
); );
sourceTree = "<group>"; sourceTree = "<group>";
}; };
@ -145,9 +152,21 @@
path = Runner; path = Runner;
sourceTree = "<group>"; sourceTree = "<group>";
}; };
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children = (
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67E13F4865ADF40CF5FAA8FC /* Pods-Runner.release.xcconfig */,
C4DAD072CA42D22C645EC022 /* Pods-Runner.profile.xcconfig */,
);
name = Pods;
path = Pods;
sourceTree = "<group>";
};
D73912EC22F37F3D000D13A0 /* Frameworks */ = { D73912EC22F37F3D000D13A0 /* Frameworks */ = {
isa = PBXGroup; isa = PBXGroup;
children = ( children = (
A1D0103636D5BC6143471898 /* Pods_Runner.framework */,
); );
name = Frameworks; name = Frameworks;
sourceTree = "<group>"; sourceTree = "<group>";
@ -159,11 +178,13 @@
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buildConfigurationList = 33CC10FB2044A3C60003C045 /* Build configuration list for PBXNativeTarget "Runner" */; buildConfigurationList = 33CC10FB2044A3C60003C045 /* Build configuration list for PBXNativeTarget "Runner" */;
buildPhases = ( buildPhases = (
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33CC10E92044A3C60003C045 /* Sources */, 33CC10E92044A3C60003C045 /* Sources */,
33CC10EA2044A3C60003C045 /* Frameworks */, 33CC10EA2044A3C60003C045 /* Frameworks */,
33CC10EB2044A3C60003C045 /* Resources */, 33CC10EB2044A3C60003C045 /* Resources */,
33CC110E2044A8840003C045 /* Bundle Framework */, 33CC110E2044A8840003C045 /* Bundle Framework */,
3399D490228B24CF009A79C7 /* ShellScript */, 3399D490228B24CF009A79C7 /* ShellScript */,
06400C234E158CC19ED60959 /* [CP] Embed Pods Frameworks */,
); );
buildRules = ( buildRules = (
); );
@ -233,6 +254,23 @@
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06400C234E158CC19ED60959 /* [CP] Embed Pods Frameworks */ = {
isa = PBXShellScriptBuildPhase;
buildActionMask = 2147483647;
files = (
);
inputFileListPaths = (
"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks-${CONFIGURATION}-input-files.xcfilelist",
);
name = "[CP] Embed Pods Frameworks";
outputFileListPaths = (
"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks-${CONFIGURATION}-output-files.xcfilelist",
);
runOnlyForDeploymentPostprocessing = 0;
shellPath = /bin/sh;
shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks.sh\"\n";
showEnvVarsInLog = 0;
};
3399D490228B24CF009A79C7 /* ShellScript */ = { 3399D490228B24CF009A79C7 /* ShellScript */ = {
isa = PBXShellScriptBuildPhase; isa = PBXShellScriptBuildPhase;
buildActionMask = 2147483647; buildActionMask = 2147483647;
@ -270,6 +308,28 @@
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shellScript = "\"$FLUTTER_ROOT\"/packages/flutter_tools/bin/macos_assemble.sh && touch Flutter/ephemeral/tripwire"; shellScript = "\"$FLUTTER_ROOT\"/packages/flutter_tools/bin/macos_assemble.sh && touch Flutter/ephemeral/tripwire";
}; };
B7620E0CE768F128AE1679D1 /* [CP] Check Pods Manifest.lock */ = {
isa = PBXShellScriptBuildPhase;
buildActionMask = 2147483647;
files = (
);
inputFileListPaths = (
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inputPaths = (
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);
name = "[CP] Check Pods Manifest.lock";
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);
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@ -4,4 +4,7 @@
<FileRef <FileRef
location = "group:Runner.xcodeproj"> location = "group:Runner.xcodeproj">
</FileRef> </FileRef>
<FileRef
location = "group:Pods/Pods.xcodeproj">
</FileRef>
</Workspace> </Workspace>

View File

@ -1,5 +1,11 @@
import 'package:flutter/material.dart'; import 'package:flutter/material.dart';
/// An extension that makes it easy to get Hex code
/// from [Color] and [MaterialColor]
extension ColorX on Color { extension ColorX on Color {
String toHexColorString() => '#${value.toRadixString(16).replaceAll('ff', '')}'; String toHexColorString() {
String hex = value.toRadixString(16).replaceAll('ff', '');
if(hex.isEmpty) hex = '000000';
return '#$hex';
}
} }

View File

@ -11,10 +11,22 @@ import 'package:webview_flutter/webview_flutter.dart';
class RichEditor extends StatefulWidget { class RichEditor extends StatefulWidget {
final String? value; final String? value;
final Color? backgroundColor;
final Color? baseTextColor;
final EdgeInsets? padding;
final String? placeholder;
final Function(File image)? getImageUrl; final Function(File image)? getImageUrl;
final Function(File video)? getVideoUrl; final Function(File video)? getVideoUrl;
RichEditor({Key? key, this.value, this.getImageUrl, this.getVideoUrl}) RichEditor(
{Key? key,
this.value,
this.backgroundColor,
this.baseTextColor,
this.padding,
this.placeholder,
this.getImageUrl,
this.getVideoUrl})
: super(key: key); : super(key: key);
@override @override
@ -86,22 +98,17 @@ class RichEditorState extends State<RichEditor> {
key: _mapKey, key: _mapKey,
onWebViewCreated: (WebViewController controller) async { onWebViewCreated: (WebViewController controller) async {
_controller = controller; _controller = controller;
print('WebView created');
setState(() {}); setState(() {});
if (!Platform.isAndroid) { if (!Platform.isAndroid) {
print('Loading');
await _loadHtmlFromAssets(); await _loadHtmlFromAssets();
} else { } else {
await _controller! await _controller!
.loadUrl('file:///android_asset/flutter_assets/$assetPath'); .loadUrl('file:///android_asset/flutter_assets/$assetPath');
} }
javascriptExecutorBase.init(_controller!); javascriptExecutorBase.init(_controller!);
if (widget.value != null) { },
// wait 1 second before setting the html onPageFinished: (link) async {
Timer(Duration(seconds: 1), () async { await _setInitialValues();
await javascriptExecutorBase.setHtml(widget.value!);
});
}
}, },
javascriptMode: JavascriptMode.unrestricted, javascriptMode: JavascriptMode.unrestricted,
gestureNavigationEnabled: true, gestureNavigationEnabled: true,
@ -117,6 +124,19 @@ class RichEditorState extends State<RichEditor> {
); );
} }
_setInitialValues() async {
if (widget.value != null)
await javascriptExecutorBase.setHtml(widget.value!);
if (widget.padding != null)
await javascriptExecutorBase.setPadding(widget.padding!);
if (widget.backgroundColor != null)
await javascriptExecutorBase.setBackgroundColor(widget.backgroundColor!);
if (widget.baseTextColor != null)
await javascriptExecutorBase.setBaseTextColor(widget.baseTextColor!);
if (widget.placeholder != null)
await javascriptExecutorBase.setPlaceholder(widget.placeholder!);
}
Future<String?> getHtml() async { Future<String?> getHtml() async {
try { try {
html = await javascriptExecutorBase.getCurrentHtml(); html = await javascriptExecutorBase.getCurrentHtml();
@ -131,17 +151,18 @@ class RichEditorState extends State<RichEditor> {
// Hide the keyboard using JavaScript since it's being opened in a WebView // Hide the keyboard using JavaScript since it's being opened in a WebView
// https://stackoverflow.com/a/8263376/10835183 // https://stackoverflow.com/a/8263376/10835183
unFocus() { unFocus() {
_controller!.evaluateJavascript('document.activeElement.blur();'); javascriptExecutorBase.unFocus();
} }
// Clear editor content using Javascript // Clear editor content using Javascript
clear() { clear() {
_controller!.evaluateJavascript('document.getElementById(\'editor\').innerHTML = "";'); _controller!.evaluateJavascript(
'document.getElementById(\'editor\').innerHTML = "";');
} }
// Focus and Show the keyboard using JavaScript // Focus and Show the keyboard using JavaScript
// https://stackoverflow.com/a/6809236/10835183 // https://stackoverflow.com/a/6809236/10835183
focus() { focus() {
_controller!.evaluateJavascript('document.getElementById(\'editor\').focus();'); javascriptExecutorBase.focus();
} }
} }

View File

@ -8,12 +8,13 @@ import 'package:rich_editor/src/models/font.dart';
import 'package:rich_editor/src/models/system_font.dart'; import 'package:rich_editor/src/models/system_font.dart';
import 'package:xml2json/xml2json.dart'; import 'package:xml2json/xml2json.dart';
// A simple port of FontListParser from Java to Kotlin /// A simple port of FontListParser from Java to Kotlin
// See https://stackoverflow.com/a/29533686/10835183 /// See https://stackoverflow.com/a/29533686/10835183
class FontListParser { class FontListParser {
File androidFontsFile = File("/system/etc/fonts.xml"); File androidFontsFile = File("/system/etc/fonts.xml");
File androidSystemFontsFile = File("/system/etc/system_fonts.xml"); File androidSystemFontsFile = File("/system/etc/system_fonts.xml");
/// Gets fonts from the fonts xml files in the android system
List<SystemFont> getSystemFonts() { List<SystemFont> getSystemFonts() {
String fontsXml; String fontsXml;
if (androidFontsFile.existsSync()) { if (androidFontsFile.existsSync()) {
@ -75,6 +76,7 @@ class FontListParser {
return fonts; return fonts;
} }
/// Gets font from the list defined incase the above function doesn't work
List<SystemFont> safelyGetSystemFonts() { List<SystemFont> safelyGetSystemFonts() {
try { try {
return getSystemFonts(); return getSystemFonts();

View File

@ -8,6 +8,7 @@ import 'package:webview_flutter/webview_flutter.dart';
import '../models/command_state.dart'; import '../models/command_state.dart';
/// A class that handles all editor-related javascript functions
class JavascriptExecutorBase { class JavascriptExecutorBase {
WebViewController? _controller; WebViewController? _controller;
@ -193,6 +194,41 @@ class JavascriptExecutorBase {
await executeJavascript("disableImageResizing()"); await executeJavascript("disableImageResizing()");
} }
// Editor settings commands
focus() async {
await executeJavascript("focus()");
}
unFocus() async {
await executeJavascript("blurFocus()");
}
setBackgroundColor(Color? color) async {
String? hex = color!.toHexColorString();
await executeJavascript("setBackgroundColor('$hex')");
}
setBackgroundImage(String image) async {
await executeJavascript("setBackgroundImage('$image')");
}
setBaseTextColor(Color? color) async {
String? hex = color!.toHexColorString();
await executeJavascript("setBaseTextColor('$hex')");
}
setPadding(EdgeInsets? padding) async {
String left = padding!.left.toString();
String top = padding.top.toString();
String right = padding.right.toString();
String bottom = padding.bottom.toString();
await executeJavascript("setPadding('$left', '$top', '$right', '$bottom')");
}
setPlaceholder(String placeholder) async {
await executeJavascript("setPlaceholder('$placeholder')");
}
static decodeHtml(String html) { static decodeHtml(String html) {
return Uri.decodeFull(html); return Uri.decodeFull(html);
} }
@ -201,87 +237,89 @@ class JavascriptExecutorBase {
return Uri.encodeFull(html); return Uri.encodeFull(html);
} }
// bool shouldOverrideUrlLoading(String url) { bool shouldOverrideUrlLoading(String url) {
// String decodedUrl; String decodedUrl;
// try { try {
// decodedUrl = decodeHtml(url); decodedUrl = decodeHtml(url);
// } catch (e) { } catch (e) {
// // No handling // No handling
// return false; return false;
// } }
//
// if (url.indexOf(editorStateChangedCallbackScheme) == 0) {
// editorStateChanged(
// decodedUrl.substring(editorStateChangedCallbackScheme.length));
// return true;
// }
//
// return false;
// }
//
// editorStateChanged(String statesString) {
// try {
// var editorState = EditorState.fromJson(jsonDecode(statesString));
//
// bool currentHtmlChanged = this.htmlField != editorState.html;
// this.htmlField = editorState.html;
//
// retrievedEditorState(editorState.didHtmlChange, editorState.commandStates)
//
// if (currentHtmlChanged) {
// fireHtmlChangedListenersAsync(editorState.html);
// }
// }
// catch (e) {
// throw("Could not parse command states: $statesString $e");
// }
// }
//
// retrievedEditorState(bool didHtmlChange,
// Map<CommandName, CommandState> commandStates) {
// if (this.didHtmlChange != didHtmlChange) {
// this.didHtmlChange = didHtmlChange;
// didHtmlChangeListeners.forEach {
// it.didHtmlChange(didHtmlChange);
// }
// }
//
// handleRetrievedCommandStates(commandStates)
// }
//
// handleRetrievedCommandStates(Map<CommandName, CommandState> commandStates) {
// determineDerivedCommandStates(commandStates)
//
// this.commandStates = commandStates;
//
// commandStatesChangedListeners.forEach {
// it.invoke(this.commandStates)
// }
// }
// determineDerivedCommandStates(Map<CommandName, CommandState> commandStates) { if (url.indexOf(editorStateChangedCallbackScheme) == 0) {
// commandStates[CommandName.FORMATBLOCK]?.let { formatCommandState -> editorStateChanged(
// commandStates.put(CommandName.H1, CommandState(formatCommandState.executable, isFormatActivated(formatCommandState, "h1"))) decodedUrl.substring(editorStateChangedCallbackScheme.length));
// commandStates.put(CommandName.H2, CommandState(formatCommandState.executable, isFormatActivated(formatCommandState, "h2"))) return true;
// commandStates.put(CommandName.H3, CommandState(formatCommandState.executable, isFormatActivated(formatCommandState, "h3"))) }
// commandStates.put(CommandName.H4, CommandState(formatCommandState.executable, isFormatActivated(formatCommandState, "h4")))
// commandStates.put(CommandName.H5, CommandState(formatCommandState.executable, isFormatActivated(formatCommandState, "h5")))
// commandStates.put(CommandName.H6, CommandState(formatCommandState.executable, isFormatActivated(formatCommandState, "h6")))
// commandStates.put(CommandName.P, CommandState(formatCommandState.executable, isFormatActivated(formatCommandState, "p")))
// commandStates.put(CommandName.PRE, CommandState(formatCommandState.executable, isFormatActivated(formatCommandState, "pre")))
// commandStates.put(CommandName.BR, CommandState(formatCommandState.executable, isFormatActivated(formatCommandState, "")))
// commandStates.put(CommandName.BLOCKQUOTE, CommandState(formatCommandState.executable, isFormatActivated(formatCommandState, "blockquote")))
// }
//
// commandStates[CommandName.INSERTHTML]?.let { insertHtmlState ->
// commandStates.put(CommandName.INSERTLINK, insertHtmlState)
// commandStates.put(CommandName.INSERTIMAGE, insertHtmlState)
// commandStates.put(CommandName.INSERTCHECKBOX, insertHtmlState)
// }
// }
// String isFormatActivated(CommandState formatCommandState, String format) { return false;
// return (formatCommandState.value == format) }
// .toString(); // rich_text_editor.js reports boolean values as string, so we also have to convert it to string
// } editorStateChanged(String statesString) {
try {
var editorState = EditorState.fromJson(jsonDecode(statesString));
bool currentHtmlChanged = this.htmlField != editorState.html;
this.htmlField = editorState.html;
retrievedEditorState(
editorState.didHtmlChange!, editorState.commandStates!);
if (currentHtmlChanged) {
// fireHtmlChangedListenersAsync(editorState.html);
}
} catch (e) {
throw ("Could not parse command states: $statesString $e");
}
}
retrievedEditorState(
bool didHtmlChange, Map<CommandName, CommandState> commandStates) {
if (this.didHtmlChange != didHtmlChange) {
this.didHtmlChange = didHtmlChange;
// didHtmlChangeListeners.forEach {
// it.didHtmlChange(didHtmlChange);
// }
}
handleRetrievedCommandStates(commandStates);
}
handleRetrievedCommandStates(Map<CommandName, CommandState> commandStates) {
determineDerivedCommandStates(commandStates);
this.commandStates = commandStates;
// commandStatesChangedListeners.forEach {
// it.invoke(this.commandStates)
// }
}
determineDerivedCommandStates(Map<CommandName, CommandState> commandStates) {
// commandStates[CommandName.FORMATBLOCK]?.let {
// formatCommandState
// ->
// commandStates.put(CommandName.H1, CommandState(formatCommandState.executable, isFormatActivated(formatCommandState, "h1")))
// commandStates.put(CommandName.H2, CommandState(formatCommandState.executable, isFormatActivated(formatCommandState, "h2")))
// commandStates.put(CommandName.H3, CommandState(formatCommandState.executable, isFormatActivated(formatCommandState, "h3")))
// commandStates.put(CommandName.H4, CommandState(formatCommandState.executable, isFormatActivated(formatCommandState, "h4")))
// commandStates.put(CommandName.H5, CommandState(formatCommandState.executable, isFormatActivated(formatCommandState, "h5")))
// commandStates.put(CommandName.H6, CommandState(formatCommandState.executable, isFormatActivated(formatCommandState, "h6")))
// commandStates.put(CommandName.P, CommandState(formatCommandState.executable, isFormatActivated(formatCommandState, "p")))
// commandStates.put(CommandName.PRE, CommandState(formatCommandState.executable, isFormatActivated(formatCommandState, "pre")))
// commandStates.put(CommandName.BR, CommandState(formatCommandState.executable, isFormatActivated(formatCommandState, "")))
// commandStates.put(CommandName.BLOCKQUOTE, CommandState(formatCommandState.executable, isFormatActivated(formatCommandState, "blockquote")))
// }
//
// commandStates[CommandName.INSERTHTML]?.let { insertHtmlState ->
// commandStates.put(CommandName.INSERTLINK, insertHtmlState)
// commandStates.put(CommandName.INSERTIMAGE, insertHtmlState)
// commandStates.put(CommandName.INSERTCHECKBOX, insertHtmlState)
// }
}
String isFormatActivated(CommandState formatCommandState, String format) {
return (formatCommandState.value == format)
.toString(); // rich_text_editor.js reports boolean values as string, so we also have to convert it to string
}
} }