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preserve inline foreground/background color in spans

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common in content pasted from MS Word
This commit is contained in:
Damien Elmes 2019-12-06 13:39:05 +10:00
parent 987256ff26
commit d4b87a678a
1 changed files with 49 additions and 10 deletions
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59
web/editor.js
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@ -393,6 +393,40 @@ allowedTagsExtended["TR"] = {"attrs": ["ROWSPAN"]};
allowedTagsExtended["TD"] = {"attrs": ["COLSPAN", "ROWSPAN"]}; allowedTagsExtended["TD"] = {"attrs": ["COLSPAN", "ROWSPAN"]};
allowedTagsExtended["TH"] = {"attrs": ["COLSPAN", "ROWSPAN"]}; allowedTagsExtended["TH"] = {"attrs": ["COLSPAN", "ROWSPAN"]};
const allowedStyling = {
'color': true,
'background-color': true,
};
var filterExternalSpan = function(node) {
// filter out attributes
var toRemove = [];
for (i = 0; i < node.attributes.length; i++) {
var attr = node.attributes[i];
var attrName = attr.name.toUpperCase();
if (attrName !== 'STYLE') {
toRemove.push(attr);
}
}
for (i = 0; i < toRemove.length; i++) {
node.removeAttributeNode(toRemove[i]);
}
// filter styling
toRemove = [];
for (let i = 0; i < node.style.length; i++) {
const name = node.style[i];
if (!allowedStyling.hasOwnProperty(name)) {
toRemove.push(name);
}
}
for (let name of toRemove) {
node.style.removeProperty(name);
}
};
allowedTagsExtended["SPAN"] = filterExternalSpan;
// add basic tags to extended // add basic tags to extended
Object.assign(allowedTagsExtended, allowedTagsBasic); Object.assign(allowedTagsExtended, allowedTagsBasic);
@ -445,17 +479,22 @@ var filterNode = function (node, extendedMode) {
node.outerHTML = node.innerHTML; node.outerHTML = node.innerHTML;
} }
} else { } else {
// allowed, filter out attributes if (typeof(tag) === 'function') {
var toRemove = []; // filtering function provided
for (i = 0; i < node.attributes.length; i++) { tag(node);
var attr = node.attributes[i]; } else {
var attrName = attr.name.toUpperCase(); // allowed, filter out attributes
if (tag.attrs.indexOf(attrName) === -1) { var toRemove = [];
toRemove.push(attr); for (i = 0; i < node.attributes.length; i++) {
var attr = node.attributes[i];
var attrName = attr.name.toUpperCase();
if (tag.attrs.indexOf(attrName) === -1) {
toRemove.push(attr);
}
}
for (i = 0; i < toRemove.length; i++) {
node.removeAttributeNode(toRemove[i]);
} }
}
for (i = 0; i < toRemove.length; i++) {
node.removeAttributeNode(toRemove[i]);
} }
} }
}; };