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Drag & drop files from user's system onto nextmatch row uploads & links file to that row

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This commit is contained in:
Nathan Gray 2013-08-27 17:26:02 +00:00
parent 4e2843b4a1
commit 6028ac8eca
3 changed files with 182 additions and 10 deletions
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162
etemplate/js/et2_extension_nextmatch.js
View File

@ -100,6 +100,11 @@ var et2_nextmatch = et2_DOMWidget.extend([et2_IResizeable, et2_IInput],
"type": "string",
"description": "JS code which gets executed when rows are selected. Can also be a app.appname.func(selected) style method"
},
"onfiledrop": {
"name": "onFileDrop",
"type": "js",
"description": "JS code that gets executed when a _file_ is dropped on a row. Other drop interactions are handled by the action system. Return false to prevent the default link action."
},
"settings": {
"name": "Settings",
"type": "any",
@ -213,6 +218,46 @@ var et2_nextmatch = et2_DOMWidget.extend([et2_IResizeable, et2_IInput],
}
}
}
},
doLoadingFinished: function() {
this._super.apply(this, arguments);
// Register handler for dropped files, if possible
if(this.options.settings.row_id)
{
// Appname should be first part of the template name
var split = this.options.template.split('.');
var appname = split[0];
// Check link registry
if(this.egw().link_get_registry(appname))
{
var self = this;
// Register a handler
$j('table.egwGridView_grid',this.div)
.on('dragenter','tr',function(e) {
var row = self.controller._getIndexEntry($j(this).index());
if(!row || !row.uid)
{
return false;
}
e.stopPropagation(); e.preventDefault();
self.controller._selectionMgr.setFocused(row.uid,true);
return false;
})
.on('dragexit','tr', function(e) {
self.controller._selectionMgr.setFocused();
})
.on('dragover','tr',false).attr("dropzone","copy")
.on('drop', 'tr',function(e) {
self.handle_drop(e,this);
return false;
});
}
}
return true;
},
/**
@ -436,8 +481,8 @@ var et2_nextmatch = et2_DOMWidget.extend([et2_IResizeable, et2_IInput],
*/
onselect: function(action,senders) {
// Execute the JS code connected to the event handler
if (this.options.onselect)
{
if (this.options.onselect)
{
if (typeof this.options.onselect == "string" &&
this.options.onselect.substr(0,4) == "app." && window.app)
{
@ -451,12 +496,12 @@ var et2_nextmatch = et2_DOMWidget.extend([et2_IResizeable, et2_IInput],
}
}
// Exectute the legacy JS code
else if (!(et2_compileLegacyJS(this.options.onselect, this, this.div))())
{
return false;
}
}
// Exectute the legacy JS code
else if (!(et2_compileLegacyJS(this.options.onselect, this, this.div))())
{
return false;
}
}
},
/**
@ -1180,6 +1225,107 @@ var et2_nextmatch = et2_DOMWidget.extend([et2_IResizeable, et2_IInput],
* Actions are handled by the controller, so ignore these
*/
set_actions: function(actions) {},
/**
* Set a different / additional handler for dropped files.
*
* File dropping doesn't work with the action system, so we handle it in the
* nextmatch by linking automatically to the target row. This allows an additional handler.
* It should accept a row UID and a File[], and return a boolean Execute the default (link) action
*
* @param {String|Function} handler
*/
set_onfiledrop: function(handler) {
this.options.onfiledrop = handler;
},
/**
* Handle drops of files by linking to the row, if possible.
*
* HTML5 / native file drops conflict with jQueryUI draggable, which handles
* all our drop actions. So we side-step the issue by registering an additional
* drop handler on the rows parent. If the row/actions itself doesn't handle
* the drop, it should bubble and get handled here.
*/
handle_drop: function(event, target) {
// Check to see if we can handle the link
// First, find the UID
var row = this.controller._getIndexEntry($j(target).index());
if(!row || !row.uid)
{
return false;
}
var uid = row.uid;
// Get the file information
var files = [];
if(event.originalEvent && event.originalEvent.dataTransfer &&
event.originalEvent.dataTransfer.files && event.originalEvent.dataTransfer.files.length > 0)
{
files = event.originalEvent.dataTransfer.files;
}
else
{
return false;
}
// Exectute the custom handler code
if (this.options.onfiledrop && !this.options.onfiledrop.call(this, uid, files))
{
return false;
}
event.stopPropagation();
event.preventDefault();
// Link the file to the row
// just use a link widget, it's all already done
var split = uid.split('::');
var link_value = {
to_app: split.shift(),
to_id: split.join('::')
}
// Create widget and mangle to our needs
var link = et2_createWidget("link-to", {value: link_value}, this);
link.loadingFinished();
link.file_upload.set_drop_target(false);
if(row.row.tr)
{
// Ignore most of the UI, just use the status indicators
var status = $j(document.createElement("div"))
.addClass('et2_link_to')
.height(row.row.tr.height())
.width(row.row.tr.width())
.position({my: "left top", at: "left top", of: row.row.tr})
.append(link.status_span)
.append(link.file_upload.progress)
.appendTo(row.row.tr);
// Bind to link event so we can remove when done
link.div.on('link.et2_link_to', function(e, linked) {
if(!linked)
{
$j("li.success", link.file_upload.progress)
.removeClass('success').addClass('validation_error');
}
else
{
// Update row
link._parent.refresh(uid,'edit');
}
// Fade out nicely
status.delay(linked ? 1 : 2000)
.fadeOut(500, function() {
link.free();
status.remove();
});
});
}
// Upload and link - this triggers the upload, which triggers the link, which triggers the cleanup and refresh
link.file_upload.set_value(files);
},
getDOMNode: function(_sender) {
if (_sender == this)

9
etemplate/js/et2_widget_link.js
View File

@ -214,7 +214,7 @@ var et2_link_to = et2_inputWidget.extend(
id: this.id + '_file',
// Make the whole template a drop target
drop_target: this.getRoot(),
drop_target: this.getInstanceManager().DOMContainer.getAttribute("id"),
// Change to this tab when they drop
onStart: function(event, file_count) {
@ -316,6 +316,7 @@ var et2_link_to = et2_inputWidget.extend(
if(success) {
this.comment.hide();
this.link_button.hide().attr("disabled", false);
this.status_span.removeClass("error").addClass("success");
this.status_span.fadeIn().delay(1000).fadeOut();
delete this.options.value.app;
delete this.options.value.id;
@ -335,6 +336,12 @@ var et2_link_to = et2_inputWidget.extend(
this, et2_link_list
);
}
else
{
this.status_span.removeClass("success").addClass("error")
.fadeIn();
}
this.div.trigger('link.et2_link_to',success);
},
set_no_files: function(no_files)

21
etemplate/templates/default/etemplate2.css
View File

@ -537,12 +537,17 @@ div.et2_link_entry input.ui-autocomplete-input {
.et2_link_to span.status {
background-repeat: no-repeat;
background-position: 3px center;
background-image:url(images/tick.png);
width: 22px;
height: 22px;
display: block;
float: right;
}
.et2_link_to span.status.success {
background-image:url(images/tick.png);
}
.et2_link_to span.status.error {
background-image:url(images/error.png);
}
.et2_link_to .progress {
max-height: 12em;
}
@ -550,6 +555,9 @@ div.et2_link_entry input.ui-autocomplete-input {
width: 100%;
margin-right: -20px; /* Leave room for remove icon */
}
.et2_link_to .progress li {
list-style: none;
}
.et2_link_to .progress li.success span.ui-icon-comment {
display: none;
float: right;
@ -777,6 +785,7 @@ div.message.floating {
border-color: #a93030;
background-image:url(images/error.png);
background-repeat: no-repeat;
padding-left: 6px;
}
.message.success {
@ -786,6 +795,7 @@ div.message.floating {
border-color: #9ea930;
background-image:url(images/tick.png);
background-repeat: no-repeat;
padding-left: 6px;
}
.message.hint {
@ -795,6 +805,7 @@ div.message.floating {
color: #56729a;
background-image:url(images/hint.png);
background-repeat: no-repeat;
padding-left: 6px;
}
/**
@ -966,6 +977,14 @@ div.message.floating {
/* End of hierarchy */
/* Mangled link-to widget inside a nextmatch - used for DnD uploads */
.et2_nextmatch * .et2_link_to {
position: fixed;
left: 0px;
background: white;
border: 1px gray;
padding: 5px;
}
.et2_clickable {
cursor: pointer;