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feat: inline color preview on hover on the color box #1983

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merged 1 commit into from
Dec 11, 2024
Merged

feat: inline color preview on hover on the color box #1983

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47 changes: 41 additions & 6 deletions src/extensionsIntegrated/CSSColorPreview/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,7 @@ define(function (require, exports, module) {
DUMMY_GUTTER_CLASS = "CodeMirror-colorGutter-none",
SINGLE_COLOR_PREVIEW_CLASS = "ico-cssColorPreview",
MULTI_COLOR_PREVIEW_CLASS = "ico-multiple-cssColorPreview",
COLOR_MARK_NAME = "colorMarker",
COLOR_PREVIEW_GUTTER_PRIORITY = 200,
COLOR_LANGUAGES= ["css", "scss", "less", "sass", "stylus", "html", "svg", "jsx", "tsx",
"php", "ejs", "erb_html", "pug"];
Expand All @@ -69,7 +70,7 @@ define(function (require, exports, module) {
}

const editor = EditorManager.getActiveEditor();
if (editor) {
if (editor && editor.isGutterActive(GUTTER_NAME)) {
showGutters(editor, _getAllColorsAndLineNums(editor));
}
}
Expand Down Expand Up @@ -143,13 +144,13 @@ define(function (require, exports, module) {
// Single color preview
$marker = $("<i>")
.addClass(SINGLE_COLOR_PREVIEW_CLASS)
.css('background-color', obj.colorValues[0]);
.css('background-color', obj.colorValues[0].color);

editor.setGutterMarker(obj.lineNumber, GUTTER_NAME, $marker[0]);
$marker.click((event)=>{
event.preventDefault();
event.stopPropagation();
_colorIconClicked(editor, obj.lineNumber, obj.colorValues[0]);
_colorIconClicked(editor, obj.lineNumber, obj.colorValues[0].color);
});
} else {
// Multiple colors preview
Expand All @@ -168,20 +169,30 @@ define(function (require, exports, module) {
const $colorBox = $("<div>")
.addClass("color-box")
.css({
'background-color': color,
'background-color': color.color,
...positions[index]
});
$colorBox.click((event)=>{
event.preventDefault();
event.stopPropagation();
_colorIconClicked(editor, obj.lineNumber, color);
_colorIconClicked(editor, obj.lineNumber, color.color);
});
$marker.append($colorBox);
}
});

editor.setGutterMarker(obj.lineNumber, GUTTER_NAME, $marker[0]);
}
$marker.mouseenter(event=>{
event.preventDefault();
event.stopPropagation();
_applyInlineColor(editor, obj.lineNumber);
});
$marker.mouseleave(event=>{
event.preventDefault();
event.stopPropagation();
editor.clearAllMarks(COLOR_MARK_NAME);
});
});
}
});
Expand All @@ -200,6 +211,10 @@ define(function (require, exports, module) {
function _cursorActivity(_evt, editor){
// this is to prevent a gutter gap in the active line if there is no color on this line.
_addDummyGutterMarkerIfNotExist(editor, editor.getCursorPos().line);
if(editor._currentlyColorMarkedLine){
editor.clearAllMarks(COLOR_MARK_NAME);
editor._currentlyColorMarkedLine = null;
}
}

/**
Expand Down Expand Up @@ -235,6 +250,26 @@ define(function (require, exports, module) {
}
}

function _colorMark(editor, from, to, color) {
editor.markText(COLOR_MARK_NAME, from, to, {
css: `
--bg-color-mark: ${color};
background: var(--bg-color-mark);
color: lch(from var(--bg-color-mark) calc((50 - l) * infinity) 0 0);
`
});
}

function _applyInlineColor(editor, line) {
editor._currentlyColorMarkedLine = line;
editor.clearAllMarks(COLOR_MARK_NAME);
const colors = detectValidColorsInLine(editor, line);
for(let color of colors){
_colorMark(editor, {line, ch: color.index}, {line, ch: color.index + color.color.length},
color.color);
}
}

/**
* Checks for preference changes, to enable/disable the feature
*/
Expand Down Expand Up @@ -321,7 +356,7 @@ define(function (require, exports, module) {
}

// Return up to 4 colors
return validColors.slice(0, 4).map(item => item.color);
return validColors;
}

/**
Expand Down
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