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Add download button/link to binary tiddler warning banners in view and edit mode (#4423)

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This commit is contained in:
Lee Sheng Long
2020-01-31 20:13:28 +11:00
committed by GitHub
parent 3eacdc19fd
commit 96eca32b11
3 changed files with 98 additions and 16 deletions
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55
core/modules/widgets/edit-binary.js
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@@ -13,6 +13,7 @@ Edit-binary widget; placeholder for editing binary tiddlers
"use strict";
var BINARY_WARNING_MESSAGE = "$:/core/ui/BinaryWarning";
var EXPORT_BUTTON_IMAGE = "$:/core/images/export-button";
var Widget = require("$:/core/modules/widgets/widget.js").widget;
@@ -43,13 +44,55 @@ EditBinaryWidget.prototype.render = function(parent,nextSibling) {
Compute the internal state of the widget
*/
EditBinaryWidget.prototype.execute = function() {
// Construct the child widgets
this.makeChildWidgets([{
type: "transclude",
// Get our parameters
var editTitle = this.getAttribute("tiddler",this.getVariable("currentTiddler"));
var tiddler = this.wiki.getTiddler(editTitle);
var type = tiddler.fields.type;
var text = tiddler.fields.text;
// Transclude the binary data tiddler warning message
var warn = {
type: "element",
tag: "p",
children: [{
type: "transclude",
attributes: {
tiddler: {type: "string", value: BINARY_WARNING_MESSAGE}
}
}]
};
// Create download link based on draft tiddler title
var link = {
type: "element",
tag: "a",
attributes: {
tiddler: {type: "string", value: BINARY_WARNING_MESSAGE}
}
}]);
title: {type: "indirect", textReference: "!!draft.title"},
download: {type: "indirect", textReference: "!!draft.title"}
},
children: [{
type: "transclude",
attributes: {
tiddler: {type: "string", value: EXPORT_BUTTON_IMAGE}
}
}]
};
// Set the link href to internal data URI (no external)
if(text) {
link.attributes.href = {
type: "string",
value: "data:" + type + ";base64," + text
};
}
// Combine warning message and download link in a div
var element = {
type: "element",
tag: "div",
attributes: {
class: {type: "string", value: "tc-binary-warning"}
},
children: [warn, link]
}
// Construct the child widgets
this.makeChildWidgets([element]);
};
/*