mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2025-08-06 22:04:19 +00:00
Add browse and dropzone widgets
We're splitting out the two aspects of the old import widget
This commit is contained in:
parent
c2efdfdbc4
commit
75231fec39
77
core/modules/new_widgets/browse.js
Normal file
77
core/modules/new_widgets/browse.js
Normal file
@ -0,0 +1,77 @@
|
|||||||
|
/*\
|
||||||
|
title: $:/core/modules/new_widgets/browse.js
|
||||||
|
type: application/javascript
|
||||||
|
module-type: new_widget
|
||||||
|
|
||||||
|
Browse widget for browsing for files to import
|
||||||
|
|
||||||
|
\*/
|
||||||
|
(function(){
|
||||||
|
|
||||||
|
/*jslint node: true, browser: true */
|
||||||
|
/*global $tw: false */
|
||||||
|
"use strict";
|
||||||
|
|
||||||
|
var Widget = require("$:/core/modules/new_widgets/widget.js").widget;
|
||||||
|
|
||||||
|
var BrowseWidget = function(parseTreeNode,options) {
|
||||||
|
this.initialise(parseTreeNode,options);
|
||||||
|
};
|
||||||
|
|
||||||
|
/*
|
||||||
|
Inherit from the base widget class
|
||||||
|
*/
|
||||||
|
BrowseWidget.prototype = new Widget();
|
||||||
|
|
||||||
|
/*
|
||||||
|
Render this widget into the DOM
|
||||||
|
*/
|
||||||
|
BrowseWidget.prototype.render = function(parent,nextSibling) {
|
||||||
|
var self = this;
|
||||||
|
// Remember parent
|
||||||
|
this.parentDomNode = parent;
|
||||||
|
// Compute attributes and execute state
|
||||||
|
this.computeAttributes();
|
||||||
|
this.execute();
|
||||||
|
// Create element
|
||||||
|
var domNode = this.document.createElement("input");
|
||||||
|
domNode.setAttribute("type","file");
|
||||||
|
// Add a click event handler
|
||||||
|
domNode.addEventListener("change",function (event) {
|
||||||
|
self.wiki.readFiles(event.target.files,function(tiddlerFields) {
|
||||||
|
self.dispatchEvent({type: "tw-import-tiddlers", param: JSON.stringify([tiddlerFields])});
|
||||||
|
});
|
||||||
|
return false;
|
||||||
|
},false);
|
||||||
|
// Insert element
|
||||||
|
parent.insertBefore(domNode,nextSibling);
|
||||||
|
this.renderChildren(domNode,null);
|
||||||
|
this.domNodes.push(domNode);
|
||||||
|
};
|
||||||
|
|
||||||
|
/*
|
||||||
|
Compute the internal state of the widget
|
||||||
|
*/
|
||||||
|
BrowseWidget.prototype.execute = function() {
|
||||||
|
};
|
||||||
|
|
||||||
|
/*
|
||||||
|
Selectively refreshes the widget if needed. Returns true if the widget or any of its children needed re-rendering
|
||||||
|
*/
|
||||||
|
BrowseWidget.prototype.refresh = function(changedTiddlers) {
|
||||||
|
return false;
|
||||||
|
};
|
||||||
|
|
||||||
|
/*
|
||||||
|
Remove any DOM nodes created by this widget or its children
|
||||||
|
*/
|
||||||
|
BrowseWidget.prototype.removeChildDomNodes = function() {
|
||||||
|
$tw.utils.each(this.domNodes,function(domNode) {
|
||||||
|
domNode.parentNode.removeChild(domNode);
|
||||||
|
});
|
||||||
|
this.domNodes = [];
|
||||||
|
};
|
||||||
|
|
||||||
|
exports.browse = BrowseWidget;
|
||||||
|
|
||||||
|
})();
|
159
core/modules/new_widgets/dropzone.js
Normal file
159
core/modules/new_widgets/dropzone.js
Normal file
@ -0,0 +1,159 @@
|
|||||||
|
/*\
|
||||||
|
title: $:/core/modules/new_widgets/dropzone.js
|
||||||
|
type: application/javascript
|
||||||
|
module-type: new_widget
|
||||||
|
|
||||||
|
Dropzone widget
|
||||||
|
|
||||||
|
\*/
|
||||||
|
(function(){
|
||||||
|
|
||||||
|
/*jslint node: true, browser: true */
|
||||||
|
/*global $tw: false */
|
||||||
|
"use strict";
|
||||||
|
|
||||||
|
var Widget = require("$:/core/modules/new_widgets/widget.js").widget;
|
||||||
|
|
||||||
|
var DropZoneWidget = function(parseTreeNode,options) {
|
||||||
|
this.initialise(parseTreeNode,options);
|
||||||
|
};
|
||||||
|
|
||||||
|
/*
|
||||||
|
Inherit from the base widget class
|
||||||
|
*/
|
||||||
|
DropZoneWidget.prototype = new Widget();
|
||||||
|
|
||||||
|
/*
|
||||||
|
Render this widget into the DOM
|
||||||
|
*/
|
||||||
|
DropZoneWidget.prototype.render = function(parent,nextSibling) {
|
||||||
|
var self = this;
|
||||||
|
// Remember parent
|
||||||
|
this.parentDomNode = parent;
|
||||||
|
// Compute attributes and execute state
|
||||||
|
this.computeAttributes();
|
||||||
|
this.execute();
|
||||||
|
// Create element
|
||||||
|
var domNode = this.document.createElement("div");
|
||||||
|
domNode.className = "tw-dropzone";
|
||||||
|
// Add event handlers
|
||||||
|
$tw.utils.addEventListeners(domNode,[
|
||||||
|
{name: "dragenter", handlerObject: this, handlerMethod: "handleDragEnterEvent"},
|
||||||
|
{name: "dragover", handlerObject: this, handlerMethod: "handleDragOverEvent"},
|
||||||
|
{name: "dragleave", handlerObject: this, handlerMethod: "handleDragLeaveEvent"},
|
||||||
|
{name: "drop", handlerObject: this, handlerMethod: "handleDropEvent"},
|
||||||
|
{name: "paste", handlerObject: this, handlerMethod: "handlePasteEvent"}
|
||||||
|
]);
|
||||||
|
domNode.addEventListener("click",function (event) {
|
||||||
|
},false);
|
||||||
|
// Insert element
|
||||||
|
parent.insertBefore(domNode,nextSibling);
|
||||||
|
this.renderChildren(domNode,null);
|
||||||
|
this.domNodes.push(domNode);
|
||||||
|
};
|
||||||
|
|
||||||
|
DropZoneWidget.prototype.handleDragEnterEvent = function(event) {
|
||||||
|
// We count enter/leave events
|
||||||
|
this.dragEnterCount = (this.dragEnterCount || 0) + 1;
|
||||||
|
// If we're entering for the first time we need to apply highlighting
|
||||||
|
if(this.dragEnterCount === 1) {
|
||||||
|
$tw.utils.addClass(this.domNodes[0],"tw-dragover");
|
||||||
|
}
|
||||||
|
// Tell the browser that we're ready to handle the drop
|
||||||
|
event.preventDefault();
|
||||||
|
// Tell the browser not to ripple the drag up to any parent drop handlers
|
||||||
|
event.stopPropagation();
|
||||||
|
};
|
||||||
|
|
||||||
|
DropZoneWidget.prototype.handleDragOverEvent = function(event) {
|
||||||
|
// Tell the browser that we're still interested in the drop
|
||||||
|
event.preventDefault();
|
||||||
|
event.dataTransfer.dropEffect = "copy"; // Explicitly show this is a copy
|
||||||
|
};
|
||||||
|
|
||||||
|
DropZoneWidget.prototype.handleDragLeaveEvent = function(event) {
|
||||||
|
// Reduce the enter count
|
||||||
|
this.dragEnterCount = (this.dragEnterCount || 0) - 1;
|
||||||
|
// Remove highlighting if we're leaving externally
|
||||||
|
if(this.dragEnterCount <= 0) {
|
||||||
|
$tw.utils.removeClass(this.domNodes[0],"tw-dragover");
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
DropZoneWidget.prototype.handleDropEvent = function(event) {
|
||||||
|
var self = this,
|
||||||
|
dataTransfer = event.dataTransfer;
|
||||||
|
// Reset the enter count
|
||||||
|
this.dragEnterCount = 0;
|
||||||
|
// Remove highlighting
|
||||||
|
$tw.utils.removeClass(this.domNodes[0],"tw-dragover");
|
||||||
|
// Try to import the various data types we understand
|
||||||
|
// this.importData(dataTransfer);
|
||||||
|
// Import any files in the drop
|
||||||
|
this.wiki.readFiles(dataTransfer.files,function(tiddlerFields) {
|
||||||
|
self.dispatchEvent({type: "tw-import-tiddlers", param: JSON.stringify([tiddlerFields])});
|
||||||
|
});
|
||||||
|
// Tell the browser that we handled the drop
|
||||||
|
event.preventDefault();
|
||||||
|
// Stop the drop ripple up to any parent handlers
|
||||||
|
event.stopPropagation();
|
||||||
|
};
|
||||||
|
|
||||||
|
DropZoneWidget.prototype.handlePasteEvent = function(event) {
|
||||||
|
// Let the browser handle it if we're in a textarea or input box
|
||||||
|
if(["TEXTAREA","INPUT"].indexOf(event.target.tagName) == -1) {
|
||||||
|
var self = this,
|
||||||
|
items = event.clipboardData.items;
|
||||||
|
// Enumerate the clipboard items
|
||||||
|
for(var t = 0; t<items.length; t++) {
|
||||||
|
var item = items[t];
|
||||||
|
if(item.kind === "file") {
|
||||||
|
// Import any files
|
||||||
|
this.wiki.readFile(item.getAsFile(),function(tiddlerFields) {
|
||||||
|
self.dispatchEvent({type: "tw-import-tiddlers", param: JSON.stringify([tiddlerFields])});
|
||||||
|
});
|
||||||
|
} else if(item.kind === "string") {
|
||||||
|
// Create tiddlers from string items
|
||||||
|
item.getAsString(function(str) {
|
||||||
|
var tiddlerFields = {
|
||||||
|
title: self.wiki.generateNewTitle("Untitled"),
|
||||||
|
text: str
|
||||||
|
};
|
||||||
|
self.dispatchEvent({type: "tw-import-tiddlers", param: JSON.stringify([tiddlerFields])});
|
||||||
|
});
|
||||||
|
}
|
||||||
|
}
|
||||||
|
// Tell the browser that we've handled the paste
|
||||||
|
event.stopPropagation();
|
||||||
|
event.preventDefault();
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
/*
|
||||||
|
Compute the internal state of the widget
|
||||||
|
*/
|
||||||
|
DropZoneWidget.prototype.execute = function() {
|
||||||
|
// Make child widgets
|
||||||
|
this.makeChildWidgets();
|
||||||
|
};
|
||||||
|
|
||||||
|
/*
|
||||||
|
Selectively refreshes the widget if needed. Returns true if the widget or any of its children needed re-rendering
|
||||||
|
*/
|
||||||
|
DropZoneWidget.prototype.refresh = function(changedTiddlers) {
|
||||||
|
return this.refreshChildren(changedTiddlers);
|
||||||
|
};
|
||||||
|
|
||||||
|
/*
|
||||||
|
Remove any DOM nodes created by this widget or its children
|
||||||
|
*/
|
||||||
|
DropZoneWidget.prototype.removeChildDomNodes = function() {
|
||||||
|
$tw.utils.each(this.domNodes,function(domNode) {
|
||||||
|
domNode.parentNode.removeChild(domNode);
|
||||||
|
});
|
||||||
|
this.domNodes = [];
|
||||||
|
};
|
||||||
|
|
||||||
|
exports.dropzone = DropZoneWidget;
|
||||||
|
|
||||||
|
})();
|
Loading…
x
Reference in New Issue
Block a user