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* Context menu items to copy and paste for drag and drop actions

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Copy action is enabled when there are drag actions defined.
Paste action is enabled when there are drop actions defined that match the clipboard context.
Current clipboard contents can be seen in the tooltip for the paste action.
This commit is contained in:
Nathan Gray 2014-10-30 22:18:37 +00:00
parent 9a7d087824
commit 6272b57088
1 changed files with 154 additions and 0 deletions
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154
phpgwapi/js/egw_action/egw_action_popup.js
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@ -536,6 +536,9 @@ function egwPopupActionImplementation()
// Build a tree containing all actions
var tree = {"root": []};
// Automatically add in Drag & Drop actions
this._addCopyPaste(_links,_selected);
for (var k in _links)
{
_links[k].actionObj.appendToTree(tree);
@ -572,6 +575,157 @@ function egwPopupActionImplementation()
return {'posx': (event.clientX + scrollLeft), 'posy': (event.clientY + scrollTop)};
};
/**
* Automagically add in context menu items for copy and paste from
* drag and drop actions, based on current clipboard and the accepted types
*
* @param {object[]} _links Actions for inclusion in the menu
* @param {egwActionObject[]} _selected Currently selected entries
*/
ai._addCopyPaste = function (_links, _selected)
{
// Get a list of drag & drop actions
var drag = _selected[0].getSelectedLinks('drag').links;
var drop = _selected[0].getSelectedLinks('drop').links;
// No drags & no drops means early exit
if((!drag || jQuery.isEmptyObject(drag)) && (!drop || jQuery.isEmptyObject(drop)))
{
return;
}
// Find existing actions so we don't get copies
var mgr = _selected[0].manager;
var copy_action = mgr.getActionById('egw_copy');
var paste_action = mgr.getActionById('egw_paste');
// Create default copy menu action
if(drag && !jQuery.isEmptyObject(drag))
{
// Don't re-add if it's there
if(copy_action == null)
{
// Create a drag action that allows linking
copy_action = mgr.addAction('popup', 'egw_copy', egw.lang('Copy to clipboard'), egw.image('copy'), function(action, selected) {
// Copied, now add to clipboard
var clipboard = {
type:[],
selected:[]
}
// When pasting we need to know the type of drag
for(var k in drag)
{
if(drag[k].enabled && drag[k].actionObj.dragType.length > 0)
{
clipboard.type = clipboard.type.concat(drag[k].actionObj.dragType);
}
}
// egwAction is a circular structure and can't be stringified so just take what we want
// Hopefully that's enough for the action handlers
for(var k in selected)
{
if(selected[k].id) clipboard.selected.push({id:selected[k].id, data:selected[k].data})
}
// Save it in session
egw.setSessionItem('phpgwapi', 'egw_clipboard', JSON.stringify(clipboard));
},true);
copy_action.group = 1.5;
}
if(typeof _links[copy_action.id] == 'undefined')
{
_links[copy_action.id] = {
"actionObj": copy_action,
"enabled": true,
"visible": true,
"cnt": 0
};
}
}
// Create default paste menu item
if(drop && !jQuery.isEmptyObject(drop))
{
// Create paste action
// This injects the clipboard data and calls the original handler
var paste_exec = function(action, selected) {
// Add in clipboard as a sender
var clipboard = JSON.parse(egw.getSessionItem('phpgwapi', 'egw_clipboard'));
drop[action.id].actionObj.execute(clipboard.selected,selected[0]);
};
var clipboard = JSON.parse(egw.getSessionItem('phpgwapi', 'egw_clipboard'));
// Don't re-add if action already exists
if(paste_action == null)
{
paste_action = mgr.addAction('popup', 'egw_paste', egw.lang('Paste'), egw.image('editpaste'), paste_exec,true);
paste_action.group = 1.5;
paste_action.canHaveChildren.push('drop');
}
// Set hint to something resembling current clipboard
var hint = egw.lang('Clipboard') + ":\n[" + clipboard.type.join(',')+"]\n";
paste_action.set_hint(hint);
// Add titles of entries
for(var i = 0; i < clipboard.selected.length; i++)
{
var id = clipboard.selected[i].id.split('::');
egw.link_title(id[0],id[1],function(title) {if(title)this.hint += title+"\n";},paste_action);
}
// Add into links so it's included in menu
if(typeof _links[paste_action.id] == 'undefined')
{
_links[paste_action.id] = {
"actionObj": paste_action,
"enabled": false,
"visible": clipboard != null,
"cnt": 0
};
}
while(paste_action.children.length > 0)
{
paste_action.children[0].remove();
}
// If nothing [valid] in the clipboard, don't bother with children
if(clipboard == null || typeof clipboard.type != 'object')
{
return;
}
// Add in actual actions as children
for(var k in drop)
{
// Add some choices - need to be a copy, or they interfere with
// the original
var drop_clone = jQuery.extend({},drop[k].actionObj);
drop_clone.parent = paste_action;
drop_clone.onExecute = new egwFnct(this, null, []);
drop_clone.set_onExecute(paste_exec);
paste_action.children.push(drop_clone);
paste_action.allowOnMultiple = paste_action.allowOnMultiple && drop_clone.allowOnMultiple;
_links[k] = jQuery.extend({},drop[k]);
_links[k].actionObj = drop_clone;
// Drop is allowed if clipboard types intersect drop types
_links[k].enabled = false;
_links[k].visible = false;
for (var i = 0; i < drop_clone.acceptedTypes.length; i++)
{
if (clipboard.type.indexOf(drop_clone.acceptedTypes[i]) != -1)
{
_links[paste_action.id].enabled = true;
_links[k].enabled = true;
_links[k].visible = true;
break;
}
}
}
}
};
return ai;
}