mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-11-16 21:13:23 +01:00
436 lines
9.9 KiB
JavaScript
Executable File
436 lines
9.9 KiB
JavaScript
Executable File
/**
|
|
* EGroupware eTemplate2 - Class which contains a the columns model
|
|
*
|
|
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
|
|
* @package etemplate
|
|
* @subpackage dataview
|
|
* @link http://www.egroupware.org
|
|
* @author Andreas Stöckel
|
|
* @copyright Stylite 2011
|
|
* @version $Id$
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
/*egw:uses
|
|
et2_inheritance;
|
|
*/
|
|
|
|
var ET2_COL_TYPE_DEFAULT = 0;
|
|
var ET2_COL_TYPE_NAME_ICON_FIXED = 1;
|
|
|
|
var ET2_COL_VISIBILITY_ALWAYS = 0;
|
|
var ET2_COL_VISIBILITY_VISIBLE = 1;
|
|
var ET2_COL_VISIBILITY_INVISIBLE = 2;
|
|
var ET2_COL_VISIBILITY_ALWAYS_NOSELECT = 3;
|
|
|
|
/**
|
|
* Class which stores the data of a single column.
|
|
*
|
|
* @augments Class
|
|
*/
|
|
var et2_dataview_column = ClassWithAttributes.extend({
|
|
|
|
attributes: {
|
|
"id": {
|
|
"name": "ID",
|
|
"type": "string",
|
|
"description": "Unique identifier for this column. It is used to " +
|
|
"store changed column widths or visibilities."
|
|
},
|
|
"visibility": {
|
|
"name": "Visibility",
|
|
"type": "integer",
|
|
"default": ET2_COL_VISIBILITY_VISIBLE,
|
|
"description": "Defines the visibility state of this column."
|
|
},
|
|
"caption": {
|
|
"name": "Caption",
|
|
"type": "string",
|
|
"description": "Caption of the column as it is displayed in the " +
|
|
"select columns popup."
|
|
},
|
|
"type": {
|
|
"name": "Column type",
|
|
"type": "integer",
|
|
"default": ET2_COL_TYPE_DEFAULT,
|
|
"description": "Type of the column"
|
|
},
|
|
"width": {
|
|
"name": "Width",
|
|
"type": "dimension",
|
|
"default": "80px",
|
|
"description": "Width of the column."
|
|
},
|
|
"minWidth": {
|
|
"name": "Minimum width",
|
|
"type": "integer",
|
|
"default": 20,
|
|
"description": "Minimum width of the column, in pixels. Values below this are rejected."
|
|
},
|
|
"maxWidth": {
|
|
"name": "Maximum width",
|
|
"type": "integer",
|
|
"default": 0,
|
|
"description": "Maximum width of the column"
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Constructor
|
|
*
|
|
* @param _attrs
|
|
* @memberOf et2_dataview_column
|
|
*/
|
|
init: function(_attrs) {
|
|
this.fixedWidth = false;
|
|
this.relativeWidth = false;
|
|
|
|
// Do the sanity check on the attributes and load them
|
|
this.generateAttributeSet(_attrs);
|
|
this.initAttributes(_attrs);
|
|
},
|
|
|
|
set_width: function(_value) {
|
|
// Parse the width parameter. Posible values are:
|
|
// 1. "100" => fixedWidth 100px
|
|
// 2. "100px" => fixedWidth 100px
|
|
// 3. "50%" => relativeWidth 50%
|
|
// 4. 0.5 => relativeWidth 50%
|
|
this.relativeWidth = false;
|
|
this.fixedWidth = false;
|
|
var w = _value;
|
|
|
|
if (typeof w == 'number')
|
|
{
|
|
this.relativeWidth = parseFloat(w.toFixed(3));
|
|
}
|
|
else if (w.charAt(w.length - 1) == "%" && !isNaN(w.substr(0, w.length - 1)))
|
|
{
|
|
this.relativeWidth = parseInt(w.substr(0, w.length - 1)) / 100;
|
|
|
|
// Relative widths with more than 100% are not allowed!
|
|
if (this.relativeWidth > 1)
|
|
{
|
|
this.relativeWidth = false;
|
|
}
|
|
}
|
|
else if (w.substr(w.length - 2, 2) == "px" && !isNaN(w.substr(0, w.length - 2)))
|
|
{
|
|
this.fixedWidth = parseInt(w.substr(0, w.length - 2));
|
|
}
|
|
else if (typeof w == 'string' && !isNaN(w))
|
|
{
|
|
this.fixedWidth = parseInt(w);
|
|
}
|
|
},
|
|
|
|
set_visibility: function(_value) {
|
|
// If visibility is always, don't turn it off
|
|
if(this.visibility == ET2_COL_VISIBILITY_ALWAYS || this.visibility == ET2_COL_VISIBILITY_ALWAYS_NOSELECT) return;
|
|
|
|
if(_value === true)
|
|
{
|
|
this.visibility = ET2_COL_VISIBILITY_VISIBLE;
|
|
}
|
|
else if (_value === false)
|
|
{
|
|
this.visibility = ET2_COL_VISIBILITY_INVISIBLE;
|
|
}
|
|
else if (typeof _value == "number")
|
|
{
|
|
this.visibility = _value;
|
|
}
|
|
else
|
|
{
|
|
this.egw().debug("warn", "Invalid visibility option for column: ", _value);
|
|
}
|
|
}
|
|
});
|
|
|
|
/**
|
|
* Contains logic for the columns class. The columns class represents the unique set
|
|
* of columns a grid view owns. The parameters of the columns (except for visibility)
|
|
* do normaly not change.
|
|
*/
|
|
|
|
var et2_dataview_columns = Class.extend({
|
|
|
|
init: function(_columnData) {
|
|
// Initialize some variables
|
|
this.totalWidth = 0;
|
|
this.totalFixed = 0;
|
|
this.columnWidths = [];
|
|
|
|
// Create the columns object
|
|
this.columns = new Array(_columnData.length);
|
|
for (var i = 0; i < _columnData.length; i++)
|
|
{
|
|
this.columns[i] = new et2_dataview_column(_columnData[i]);
|
|
}
|
|
|
|
this.updated = true;
|
|
},
|
|
|
|
destroy: function() {
|
|
// Free all column objects
|
|
for (var i = 0; i < this.columns.length; i++)
|
|
{
|
|
this.columns[i].free();
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Set the total width of the header row
|
|
*
|
|
* @param {(string|number)} _width
|
|
*/
|
|
setTotalWidth: function(_width) {
|
|
if (_width != this.totalWidth && _width > 0)
|
|
{
|
|
this.totalWidth = _width;
|
|
this.updated = true;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Returns the index of the colum with the given id
|
|
*
|
|
* @param {string} _id
|
|
*/
|
|
getColumnIndexById: function(_id) {
|
|
for (var i = 0; i < this.columns.length; i++)
|
|
{
|
|
if (this.columns[i].id == _id)
|
|
{
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
},
|
|
|
|
/**
|
|
* Returns the column with the given id
|
|
*
|
|
* @param {string} _id
|
|
*/
|
|
getColumnById: function(_id) {
|
|
var idx = this.getColumnIndexById(_id);
|
|
return (idx == -1) ? null : this.columns[idx];
|
|
},
|
|
|
|
/**
|
|
* Returns the width of the column with the given index
|
|
*
|
|
* @param {number} _idx
|
|
*/
|
|
getColumnWidth: function(_idx) {
|
|
if (this.totalWidth > 0 && _idx >= 0 && _idx < this.columns.length)
|
|
{
|
|
// Recalculate the column widths if something has changed.
|
|
if (this.updated)
|
|
{
|
|
this._calculateWidths();
|
|
this.updated = false;
|
|
}
|
|
|
|
// Return the calculated width for the column with the given index.
|
|
return this.columnWidths[_idx];
|
|
}
|
|
|
|
return 0;
|
|
},
|
|
|
|
/**
|
|
* Returns an array containing the width of the column and its visibility
|
|
* state.
|
|
*/
|
|
getColumnData: function() {
|
|
var result = [];
|
|
|
|
for (var i = 0; i < this.columns.length; i++)
|
|
{
|
|
result.push({
|
|
"id": this.columns[i].id,
|
|
"width": this.getColumnWidth(i),
|
|
"visible": this.columns[i].visibility != ET2_COL_VISIBILITY_INVISIBLE
|
|
});
|
|
}
|
|
|
|
return result;
|
|
},
|
|
|
|
/**
|
|
* Returns an associative array which contains data about the visibility
|
|
* state of the columns.
|
|
*/
|
|
getColumnVisibilitySet: function() {
|
|
var result = {};
|
|
|
|
for (var i = 0; i < this.columns.length; i++)
|
|
{
|
|
if (this.columns[i].visibility != ET2_COL_VISIBILITY_ALWAYS_NOSELECT)
|
|
{
|
|
result[this.columns[i].id] = {
|
|
"caption": this.columns[i].caption,
|
|
"enabled": (this.columns[i].visibility != ET2_COL_VISIBILITY_ALWAYS) &&
|
|
(this.columns[i].type != ET2_COL_TYPE_NAME_ICON_FIXED),
|
|
"visible": this.columns[i].visibility != ET2_COL_VISIBILITY_INVISIBLE
|
|
};
|
|
}
|
|
}
|
|
|
|
return result;
|
|
},
|
|
|
|
/**
|
|
* Sets a column visiblity set
|
|
*
|
|
* @param {object} _set
|
|
*/
|
|
setColumnVisibilitySet: function(_set) {
|
|
for (var k in _set)
|
|
{
|
|
var col = this.getColumnById(k);
|
|
if (col)
|
|
{
|
|
col.set_visibility(_set[k].visible ? ET2_COL_VISIBILITY_VISIBLE :
|
|
ET2_COL_VISIBILITY_INVISIBLE);
|
|
}
|
|
}
|
|
|
|
this.updated = true;
|
|
},
|
|
|
|
/* ---- PRIVATE FUNCTIONS ---- */
|
|
|
|
/**
|
|
* Calculates the absolute column width depending on the previously set
|
|
* "totalWidth" value. The calculated values are stored in the columnWidths
|
|
* array.
|
|
*/
|
|
_calculateWidths: function()
|
|
{
|
|
// Reset some values which are used during the calculation
|
|
for (var i = 0; i < this.columns.length; i++)
|
|
{
|
|
this.columns[i]._larger = false;
|
|
this.columns[i]._newWidth = false;
|
|
}
|
|
|
|
// Remove the spacing between the columns from the total width
|
|
var tw = this.totalWidth;
|
|
|
|
// Calculate how many space is - relatively - not occupied with columns with
|
|
// relative or fixed width
|
|
var totalRelative = 0;
|
|
this.totalFixed = 0;
|
|
|
|
for (var i = 0; i < this.columns.length; i++)
|
|
{
|
|
var col = this.columns[i];
|
|
if (col.visibility != ET2_COL_VISIBILITY_INVISIBLE)
|
|
{
|
|
// Some bounds sanity checking
|
|
if(col.fixedWidth > tw || col.fixedWidth < 0)
|
|
{
|
|
col.fixedWidth = false;
|
|
}
|
|
else if (col.relativeWidth > 1 || col.relativeWidth < 0)
|
|
{
|
|
col.relativeWidth = false;
|
|
}
|
|
if (col.relativeWidth)
|
|
{
|
|
totalRelative += col.relativeWidth;
|
|
}
|
|
else if (col.fixedWidth)
|
|
{
|
|
this.totalFixed += col.fixedWidth;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Now calculate the absolute width of the columns in pixels
|
|
var usedTotal = 0;
|
|
this.columnWidths = [];
|
|
for (var i = 0; i < this.columns.length; i++)
|
|
{
|
|
var w = 0;
|
|
var col = this.columns[i];
|
|
if (col.visibility != ET2_COL_VISIBILITY_INVISIBLE)
|
|
{
|
|
if (col._larger)
|
|
{
|
|
w = col.maxWidth;
|
|
}
|
|
else if (col.fixedWidth)
|
|
{
|
|
w = col.fixedWidth;
|
|
}
|
|
else if (col.relativeWidth)
|
|
{
|
|
// Reset relative to an actual percentage (of 1.00) or
|
|
// resizing eventually sends them to 0
|
|
col.relativeWidth = col.relativeWidth / totalRelative;
|
|
w = Math.round((tw-this.totalFixed) * col.relativeWidth);
|
|
}
|
|
if (w > tw || (col.maxWidth && w > col.maxWidth))
|
|
{
|
|
w = Math.min(tw - usedTotal, col.maxWidth);
|
|
}
|
|
if (w < 0 || w < col.minWidth)
|
|
{
|
|
w = Math.max(0, col.minWidth);
|
|
}
|
|
}
|
|
this.columnWidths.push(w);
|
|
usedTotal += w;
|
|
}
|
|
|
|
// Deal with any accumulated rounding errors
|
|
if(usedTotal != tw)
|
|
{
|
|
var column, columnIndex;
|
|
var remaining_width = (usedTotal - tw);
|
|
|
|
// Pick the first relative column and use it
|
|
for(columnIndex = 0; columnIndex < this.columns.length; columnIndex++)
|
|
{
|
|
if(this.columns[columnIndex].visibility == ET2_COL_VISIBILITY_INVISIBLE ||
|
|
this.columnWidths[columnIndex] <= 0)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
var col = this.columns[columnIndex];
|
|
if(col.relativeWidth || !col.fixedWidth)
|
|
{
|
|
column = col;
|
|
break;
|
|
}
|
|
else if (!col.fixedWidth)
|
|
{
|
|
column = col;
|
|
}
|
|
}
|
|
if(!column)
|
|
{
|
|
// No relative width columns, distribute proportionatly over all
|
|
for(var i = 0; i < this.columns.length; i++)
|
|
{
|
|
var col = this.columns[i];
|
|
col.fixedWidth -= Math.round(this.columnWidths[i] / tw * remaining_width);
|
|
this.columnWidths[i] = Math.max(0, Math.min(col.fixedWidth,tw));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
this.columnWidths[columnIndex] = Math.max(column.minWidth, this.columnWidths[columnIndex] - remaining_width);
|
|
}
|
|
}
|
|
}
|
|
|
|
});
|
|
|