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[#1262] First working version of the JS module for image uploading
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| /* Image Upload | ||
| * | ||
| * | ||
| * Options | ||
| * - id: what's the id of the context? | ||
| */ | ||
| this.ckan.module('image-upload', function($, _) { | ||
| return { | ||
| /* options object can be extended using data-module-* attributes */ | ||
| options: { | ||
| is_url: true, | ||
| has_image: false, | ||
| i18n: { | ||
| upload: _('From computer'), | ||
| url: _('From web'), | ||
| remove: _('Remove'), | ||
| label: _('Upload image'), | ||
| label_url: _('Image URL'), | ||
| remove_tooltip: _('Reset this') | ||
| }, | ||
| template: [ | ||
| '' | ||
| ].join("\n") | ||
| }, | ||
|
|
||
| state: { | ||
| attached: 1, | ||
| blank: 2, | ||
| web: 3 | ||
| }, | ||
|
|
||
| /* Initialises the module setting up elements and event listeners. | ||
| * | ||
| * Returns nothing. | ||
| */ | ||
| initialize: function () { | ||
| $.proxyAll(this, /_on/); | ||
| var options = this.options; | ||
|
|
||
| // firstly setup the fields | ||
| this.input = $('input[name="image_upload"]', this.el); | ||
| this.field_url = $('input[name="image_url"]', this.el).parents('.control-group'); | ||
| this.field_image = this.input.parents('.control-group'); | ||
|
|
||
| var checkbox = $('input[name="clear_upload"]', this.el); | ||
| if (checkbox.length > 0) { | ||
| options.has_image = true; | ||
| checkbox.parents('.control-group').remove(); | ||
| } | ||
|
|
||
| this.field_clear = $('<input type="hidden" name="clear_upload">') | ||
| .appendTo(this.el); | ||
|
|
||
| this.button_url = $('<a href="javascript:;" class="btn"><i class="icon-globe"></i> '+this.i18n('url')+'</a>') | ||
| .on('click', this._onFromWeb) | ||
| .insertAfter(this.input); | ||
|
|
||
| this.button_upload = $('<a href="javascript:;" class="btn"><i class="icon-cloud-upload"></i>'+this.i18n('upload')+'</a>') | ||
| .insertAfter(this.input); | ||
|
|
||
| this.button_remove = $('<a href="javascript:;" class="btn btn-danger" />') | ||
| .text(this.i18n('remove')) | ||
| .on('click', this._onRemove) | ||
| .insertAfter(this.button_upload); | ||
|
|
||
| $('<a href="javascript:;" class="btn btn-danger btn-remove-url"><i class="icon-remove"></i></a>') | ||
| .prop('title', this.i18n('remove_tooltip')) | ||
| .on('click', this._onRemove) | ||
| .insertBefore($('input', this.field_url)); | ||
|
|
||
| $('label[for="field-image-upload"]').text(this.i18n('label')); | ||
|
|
||
| this.input | ||
| .on('mouseover', this._onInputMouseOver) | ||
| .on('mouseout', this._onInputMouseOut) | ||
| .on('change', this._onInputChange) | ||
| .css('width', this.button_upload.outerWidth()) | ||
| .hide(); | ||
|
|
||
| this.fields = $('<i />') | ||
| .add(this.button_remove) | ||
| .add(this.button_upload) | ||
| .add(this.button_url) | ||
| .add(this.input) | ||
| .add(this.field_url) | ||
| .add(this.field_image); | ||
|
|
||
| if (options.is_url) { | ||
| this.changeState(this.state.web); | ||
| } else if (options.has_image) { | ||
| this.changeState(this.state.attached); | ||
| } else { | ||
| this.changeState(this.state.blank); | ||
| } | ||
|
|
||
| }, | ||
|
|
||
| changeState: function(state) { | ||
| this.fields.hide(); | ||
| if (state == this.state.blank) { | ||
| this.button_upload | ||
| .add(this.field_image) | ||
| .add(this.button_url) | ||
| .add(this.input) | ||
| .show(); | ||
| } else if (state == this.state.attached) { | ||
| this.button_remove | ||
| .add(this.field_image) | ||
| .show(); | ||
| } else if (state == this.state.web) { | ||
| this.field_url | ||
| .show(); | ||
| } | ||
| }, | ||
|
|
||
| _onFromWeb: function() { | ||
| this.changeState(this.state.web); | ||
| $('input', this.field_url).focus(); | ||
| if (this.options.has_image) { | ||
| this.field_clear.val('true'); | ||
| } | ||
| }, | ||
|
|
||
| _onRemove: function() { | ||
| this.changeState(this.state.blank); | ||
| $('input', this.field_url).val(''); | ||
| if (this.options.has_image) { | ||
| this.field_clear.val('true'); | ||
| } | ||
| }, | ||
|
|
||
| _onInputChange: function() { | ||
| this.file_name = this.input.val(); | ||
| this.field_clear.val(''); | ||
| this.changeState(this.state.attached); | ||
| }, | ||
|
|
||
| _onInputMouseOver: function() { | ||
| this.button_upload.addClass('hover'); | ||
| }, | ||
|
|
||
| _onInputMouseOut: function() { | ||
| this.button_upload.removeClass('hover'); | ||
| } | ||
|
|
||
| } | ||
| }); |
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