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node-red/editor/js/ui/clipboard.js
2015-04-13 16:48:38 +01:00

179 lines
6.7 KiB
JavaScript

/**
* Copyright 2015 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
RED.clipboard = (function() {
var dialog = $('<div id="clipboard-dialog" class="hide"><form class="dialog-form form-horizontal"></form></div>')
.appendTo("body")
.dialog({
modal: true,
autoOpen: false,
width: 500,
resizable: false,
buttons: [
{
id: "clipboard-dialog-ok",
text: "Ok",
click: function() {
if (/Import/.test(dialog.dialog("option","title"))) {
RED.view.importNodes($("#clipboard-import").val());
}
$( this ).dialog( "close" );
}
},
{
id: "clipboard-dialog-cancel",
text: "Cancel",
click: function() {
$( this ).dialog( "close" );
}
},
{
id: "clipboard-dialog-close",
text: "Close",
click: function() {
$( this ).dialog( "close" );
}
}
],
open: function(e) {
$(this).parent().find(".ui-dialog-titlebar-close").hide();
RED.keyboard.disable();
},
close: function(e) {
RED.keyboard.enable();
}
});
var dialogContainer = dialog.children(".dialog-form");
var exportNodesDialog = '<div class="form-row">'+
'<label for="node-input-export" style="display: block; width:100%;"><i class="fa fa-clipboard"></i> Nodes:</label>'+
'<textarea readonly style="resize: none; width: 100%; border-radius: 0px;font-family: monospace; font-size: 12px; background:#eee; padding-left: 0.5em; box-sizing:border-box;" id="clipboard-export" rows="5"></textarea>'+
'</div>'+
'<div class="form-tips">'+
'Select the text above and copy to the clipboard with Ctrl-C.'+
'</div>';
var importNodesDialog = '<div class="form-row">'+
'<textarea style="resize: none; width: 100%; border-radius: 0px;font-family: monospace; font-size: 12px; background:#eee; padding-left: 0.5em; box-sizing:border-box;" id="clipboard-import" rows="5" placeholder="Paste nodes here"></textarea>'+
'</div>';
function importNodes() {
dialogContainer.empty();
dialogContainer.append($(importNodesDialog));
$("#clipboard-dialog-ok").show();
$("#clipboard-dialog-cancel").show();
$("#clipboard-dialog-close").hide();
$("#clipboard-dialog-ok").button("disable");
$("#clipboard-import").keyup(function() {
var v = $(this).val();
try {
JSON.parse(v);
$(this).removeClass("input-error");
$("#clipboard-dialog-ok").button("enable");
} catch(err) {
if (v !== "") {
$(this).addClass("input-error");
}
$("#clipboard-dialog-ok").button("disable");
}
});
dialog.dialog("option","title","Import nodes").dialog("open");
}
function exportNodes() {
dialogContainer.empty();
dialogContainer.append($(exportNodesDialog));
$("#clipboard-dialog-ok").hide();
$("#clipboard-dialog-cancel").hide();
$("#clipboard-dialog-close").show();
var selection = RED.view.selection();
if (selection.nodes) {
var nns = RED.nodes.createExportableNodeSet(selection.nodes);
$("#clipboard-export")
.val(JSON.stringify(nns))
.focus(function() {
var textarea = $(this);
textarea.select();
textarea.mouseup(function() {
textarea.unbind("mouseup");
return false;
})
});
dialog.dialog("option","title","Export nodes to clipboard").dialog( "open" );
}
}
function hideDropTarget() {
$("#dropTarget").hide();
RED.keyboard.remove(/* ESCAPE */ 27);
}
return {
init: function() {
RED.view.on("selection-changed",function(selection) {
if (!selection.nodes) {
RED.menu.setDisabled("menu-item-export",true);
RED.menu.setDisabled("menu-item-export-clipboard",true);
RED.menu.setDisabled("menu-item-export-library",true);
} else {
RED.menu.setDisabled("menu-item-export",false);
RED.menu.setDisabled("menu-item-export-clipboard",false);
RED.menu.setDisabled("menu-item-export-library",false);
}
});
RED.keyboard.add(/* e */ 69,{ctrl:true},function(){exportNodes();d3.event.preventDefault();});
RED.keyboard.add(/* i */ 73,{ctrl:true},function(){importNodes();d3.event.preventDefault();});
$('#chart').on("dragenter",function(event) {
if ($.inArray("text/plain",event.originalEvent.dataTransfer.types) != -1) {
$("#dropTarget").css({display:'table'});
RED.keyboard.add(/* ESCAPE */ 27,hideDropTarget);
}
});
$('#dropTarget').on("dragover",function(event) {
if ($.inArray("text/plain",event.originalEvent.dataTransfer.types) != -1) {
event.preventDefault();
}
})
.on("dragleave",function(event) {
hideDropTarget();
})
.on("drop",function(event) {
var data = event.originalEvent.dataTransfer.getData("text/plain");
hideDropTarget();
RED.view.importNodes(data);
event.preventDefault();
});
},
import: importNodes,
export: exportNodes
}
})();