forked from verdnatura/hedera-web
185 lines
3.0 KiB
JavaScript
Executable File
185 lines
3.0 KiB
JavaScript
Executable File
/**
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* Class to display or edit an image. Also it allows to show it's full version.
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**/
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var fullImage = null;
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Htk.Image = new Class
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({
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Extends: Htk.Entry
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,Tag: 'htk-image'
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,Properties:
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{
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/**
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* The directory where the images are allocated.
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**/
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directory:
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{
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type: String
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,set: function (x)
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{
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this._directory = x;
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this._basedir = Vn.Config['image_dir'] +'/'+ x;
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this.render (false);
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}
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,get: function ()
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{
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return this._directory;
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}
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},
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/**
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* The directory where the images are allocated.
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**/
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subdir:
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{
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type: String
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,set: function (x)
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{
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this._subdir = x;
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this.render (false);
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}
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,get: function ()
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{
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return this._subdir;
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}
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},
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/**
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* Whether to show the full image when mouse hover.
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**/
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showFull:
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{
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type: Boolean
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,set: function (x)
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{
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if (x && !this._fullImage)
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{
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if (!fullImage)
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fullImage = new Htk.FullImage ();
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this._fullImage = fullImage;
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this.node.addEventListener ('mouseover', this.onMouseOver.bind (this));
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this.node.addEventListener ('mouseout', this.onMouseOut.bind (this));
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}
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this._showFull = x;
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}
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,get: function ()
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{
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return this._showFull;
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}
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},
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/**
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* Subdirectory where full images are allocated.
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**/
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fullDir:
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{
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type: String
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,set: function (x)
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{
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this._fullDir = x;
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}
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,get: function ()
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{
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return this._fullDir;
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}
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}
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}
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,_directory: null
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,_subdir: null
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,_basedir: null
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,_empty: false
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,_showFull: false
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,_fullDir: null
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,initialize: function (props)
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{
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this.parent (props);
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this.createElement ('img');
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// this.node.addEventListener ('error', this.onImageError.bind (this));
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}
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,onImageError: function ()
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{
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if (!this._empty)
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{
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this._empty = true;
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this.node.src = 'image/empty.png';
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}
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}
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,render: function (force)
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{
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if (this._value)
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{
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var url = '';
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if (this._basedir)
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url += this._basedir +'/';
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if (this._subdir)
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url += this._subdir +'/';
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url += this._value;
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if (force)
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url += '?' + (new Date()).getTime ();
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this._empty = false;
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this.node.src = url;
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this.node.style.display = '';
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}
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else
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{
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delete this.node.src;
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this.node.style.display = 'none';
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}
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}
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,putValue: function (value)
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{
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this.render (false);
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}
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,onMouseOver: function (cell)
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{
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if (!this._showFull)
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return;
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var src = this._fullDir ? this._fullDir : 'full';
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src += '/'+ this._value;
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if (this._stamp)
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src += '?'+ this._stamp;
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if (!cell.error)
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this._fullImage.show (this._basedir +'/'+ src);
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}
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,onMouseOut: function ()
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{
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this._fullImage.hide ();
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}
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,setEditable: function (editable)
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{
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if (editable)
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{
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var obj = this;
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this.style.cursor = 'pointer';
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this.node.addEventListener ('dblclick',
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this.onDoubleClick.bind (this));
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}
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}
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,onDoubleClick: function (event)
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{
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var editor = new Htk.ImageEditor ();
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editor.setData (cell.value, this._directory);
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this.popup = new Htk.Popup ();
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this.popup.setChild (editor);
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this.popup.show (this.node);
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}
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});
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