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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This Source Code Form is "Incompatible With Secondary Licenses", as
* defined by the Mozilla Public License, v. 2.0. */
function EditTable(parent_el, table_data) {
this.parent_el = YAHOO.util.Dom.get(parent_el);
this.table_data = table_data;
this.field_count = table_data.fields.length;
if (!JSON) JSON = YAHOO.lang.JSON;
this.render = function() {
// create table
this.parent_el.innerHTML = '';
var table = document.createElement('table');
// header
var tr = document.createElement('tr');
for (var i = 0; i < this.field_count; i++) {
var th = document.createElement('th');
th.appendChild(document.createTextNode(this.table_data.fields[i]));
tr.appendChild(th);
}
var td = document.createElement('td');
td.innerHTML = ' ';
tr.appendChild(td);
table.appendChild(tr);
// rows
for (var i = 0; i < table_data.data.length; i++) {
// skip deleted rows
if (this.table_data.data[i][0] < 0)
continue;
var tr = document.createElement('tr');
for (var j = 0; j < this.field_count; j++) {
var td = document.createElement('td');
td.appendChild(document.createTextNode(this.table_data.data[i][j]));
tr.appendChild(td);
if (this.table_data.fields[j] != this.table_data.id_field) {
td.className = 'editable';
td.contentEditable = true;
YAHOO.util.Event.addListener(td, 'keydown', this._edit_keydown, this);
YAHOO.util.Event.addListener(td, 'blur', this._save, this);
d = td;
}
}
var td = document.createElement('td');
var a = document.createElement('a');
a.href = '#';
a.innerHTML = 'x';
YAHOO.util.Event.addListener(a, 'click', this._remove_row, this);
td.appendChild(a);
td.className = 'action';
tr.appendChild(td);
table.appendChild(tr);
}
this.parent_el.appendChild(table);
var add_btn = document.createElement('button');
add_btn.innerHTML = 'Add';
YAHOO.util.Event.addListener(add_btn, 'click', this._add_row, this);
this.parent_el.appendChild(add_btn);
},
this.to_json = function(target) {
YAHOO.util.Dom.get(target).value = JSON.stringify(this.table_data);
},
this._add_row = function(event, obj) {
var row = [];
for (var i = 0; i < obj.field_count; i++) {
row.push(obj.table_data.fields[i] == obj.table_data.id_field ? '-' : '');
}
obj.table_data.data.push(row);
obj.render();
YAHOO.util.Dom.removeClass('commit_btn', 'bz_default_hidden');
event.preventDefault();
},
this._remove_row = function(event, obj) {
var row = event.target.parentElement.parentElement.rowIndex - 1;
if (obj.table_data.data[row][0] == '-') {
// removing a newly added row
obj.table_data.data.splice(row, 1);
}
else {
// to remove a db row we set its id to negative
// it'll be skipped by render, and the update script knows which id to delete
obj.table_data.data[row][0] = -obj.table_data.data[row][0];
}
obj.render();
YAHOO.util.Dom.removeClass('commit_btn', 'bz_default_hidden');
event.preventDefault();
},
this._save = function(event, obj) {
var row = event.target.parentElement.rowIndex - 1;
var col = event.target.cellIndex;
var value = event.target.textContent;
if (obj.table_data.data[row][col] != event.target.textContent) {
obj.table_data.data[row][col] = event.target.textContent;
YAHOO.util.Dom.removeClass('commit_btn', 'bz_default_hidden');
}
},
this._revert = function(event, obj) {
var row = event.target.parentElement.rowIndex - 1;
var col = event.target.cellIndex;
event.target.replaceChild(
document.createTextNode(obj.table_data.data[row][col]),
event.target.firstChild
);
},
this._edit_keydown = function(event, obj) {
if (event.keyCode == 13) {
event.preventDefault();
obj._save(event, obj);
document.activeElement.blur(event.target);
}
else if (event.keyCode == 27) {
event.preventDefault();
obj._revert(event, obj);
}
}
};
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